[PM-21092] Set tax exemption to reverse charge for non-US business-use customers (#5812)

* Set automatic tax to enabled and tax exempt to reverse where applicable when ff is on

* Fix and add tests

* Run dotnet format

* Run dotnet format

* PM-21745: Resolve defect

* PM-21770: Resolve defect

* Run dotnet format'

bitwarden_license/src/Commercial.Core/AdminConsole/Providers/RemoveOrganizationFromProviderCommand.cs

@@ -8,13 +8,10 @@ using Bit.Core.Billing.Constants;
 using Bit.Core.Billing.Extensions;
 using Bit.Core.Billing.Pricing;
 using Bit.Core.Billing.Services;
-using Bit.Core.Billing.Tax.Services;
-using Bit.Core.Billing.Tax.Services.Implementations;
 using Bit.Core.Enums;
 using Bit.Core.Exceptions;
 using Bit.Core.Repositories;
 using Bit.Core.Services;
-using Microsoft.Extensions.DependencyInjection;
 using Stripe;
 
 namespace Bit.Commercial.Core.AdminConsole.Providers;
@@ -24,7 +21,6 @@ public class RemoveOrganizationFromProviderCommand : IRemoveOrganizationFromProv
     private readonly IEventService _eventService;
     private readonly IMailService _mailService;
     private readonly IOrganizationRepository _organizationRepository;
-    private readonly IOrganizationService _organizationService;
     private readonly IProviderOrganizationRepository _providerOrganizationRepository;
     private readonly IStripeAdapter _stripeAdapter;
     private readonly IFeatureService _featureService;
@@ -32,26 +28,22 @@ public class RemoveOrganizationFromProviderCommand : IRemoveOrganizationFromProv
     private readonly ISubscriberService _subscriberService;
     private readonly IHasConfirmedOwnersExceptQuery _hasConfirmedOwnersExceptQuery;
     private readonly IPricingClient _pricingClient;
-    private readonly IAutomaticTaxStrategy _automaticTaxStrategy;
 
     public RemoveOrganizationFromProviderCommand(
         IEventService eventService,
         IMailService mailService,
         IOrganizationRepository organizationRepository,
-        IOrganizationService organizationService,
         IProviderOrganizationRepository providerOrganizationRepository,
         IStripeAdapter stripeAdapter,
         IFeatureService featureService,
         IProviderBillingService providerBillingService,
         ISubscriberService subscriberService,
         IHasConfirmedOwnersExceptQuery hasConfirmedOwnersExceptQuery,
-        IPricingClient pricingClient,
+        IPricingClient pricingClient)
-        [FromKeyedServices(AutomaticTaxFactory.BusinessUse)] IAutomaticTaxStrategy automaticTaxStrategy)
     {
         _eventService = eventService;
         _mailService = mailService;
         _organizationRepository = organizationRepository;
-        _organizationService = organizationService;
         _providerOrganizationRepository = providerOrganizationRepository;
         _stripeAdapter = stripeAdapter;
         _featureService = featureService;
@@ -59,7 +51,6 @@ public class RemoveOrganizationFromProviderCommand : IRemoveOrganizationFromProv
         _subscriberService = subscriberService;
         _hasConfirmedOwnersExceptQuery = hasConfirmedOwnersExceptQuery;
         _pricingClient = pricingClient;
-        _automaticTaxStrategy = automaticTaxStrategy;
     }
 
     public async Task RemoveOrganizationFromProvider(
@@ -77,7 +68,7 @@ public class RemoveOrganizationFromProviderCommand : IRemoveOrganizationFromProv
 
         if (!await _hasConfirmedOwnersExceptQuery.HasConfirmedOwnersExceptAsync(
                 providerOrganization.OrganizationId,
-                Array.Empty<Guid>(),
+                [],
                 includeProvider: false))
         {
             throw new BadRequestException("Organization must have at least one confirmed owner.");
@@ -102,7 +93,7 @@ public class RemoveOrganizationFromProviderCommand : IRemoveOrganizationFromProv
     /// <summary>
     /// When a client organization is unlinked from a provider, we have to check if they're Stripe-enabled
     /// and, if they are, we remove their MSP discount and set their Subscription to `send_invoice`. This is because
-    /// the provider's payment method will be removed from their Stripe customer causing ensuing charges to fail. Lastly,
+    /// the provider's payment method will be removed from their Stripe customer, causing ensuing charges to fail. Lastly,
     /// we email the organization owners letting them know they need to add a new payment method.
     /// </summary>
     private async Task ResetOrganizationBillingAsync(
@@ -142,15 +133,18 @@ public class RemoveOrganizationFromProviderCommand : IRemoveOrganizationFromProv
                 Items = [new SubscriptionItemOptions { Price = plan.PasswordManager.StripeSeatPlanId, Quantity = organization.Seats }]
             };
 
-            if (_featureService.IsEnabled(FeatureFlagKeys.PM19147_AutomaticTaxImprovements))
+            var setNonUSBusinessUseToReverseCharge = _featureService.IsEnabled(FeatureFlagKeys.PM21092_SetNonUSBusinessUseToReverseCharge);
+
+            if (setNonUSBusinessUseToReverseCharge)
             {
-                _automaticTaxStrategy.SetCreateOptions(subscriptionCreateOptions, customer);
+                subscriptionCreateOptions.AutomaticTax = new SubscriptionAutomaticTaxOptions { Enabled = true };
             }
-            else
+            else if (customer.HasRecognizedTaxLocation())
             {
-                subscriptionCreateOptions.AutomaticTax ??= new SubscriptionAutomaticTaxOptions
+                subscriptionCreateOptions.AutomaticTax = new SubscriptionAutomaticTaxOptions
                 {
-                    Enabled = true
+                    Enabled = customer.Address.Country == "US" ||
+                              customer.TaxIds.Any()
                 };
             }
 
@@ -187,7 +181,7 @@ public class RemoveOrganizationFromProviderCommand : IRemoveOrganizationFromProv
         await _mailService.SendProviderUpdatePaymentMethod(
             organization.Id,
             organization.Name,
-            provider.Name,
+            provider.Name!,
             organizationOwnerEmails);
     }
 }

bitwarden_license/src/Commercial.Core/Billing/ProviderBillingService.cs

@@ -18,7 +18,6 @@ using Bit.Core.Billing.Services;
 using Bit.Core.Billing.Services.Contracts;
 using Bit.Core.Billing.Tax.Models;
 using Bit.Core.Billing.Tax.Services;
-using Bit.Core.Billing.Tax.Services.Implementations;
 using Bit.Core.Enums;
 using Bit.Core.Exceptions;
 using Bit.Core.Models.Business;
@@ -27,7 +26,6 @@ using Bit.Core.Services;
 using Bit.Core.Settings;
 using Braintree;
 using CsvHelper;
-using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using Stripe;
 
@@ -52,8 +50,7 @@ public class ProviderBillingService(
     ISetupIntentCache setupIntentCache,
     IStripeAdapter stripeAdapter,
     ISubscriberService subscriberService,
-    ITaxService taxService,
+    ITaxService taxService)
-    [FromKeyedServices(AutomaticTaxFactory.BusinessUse)] IAutomaticTaxStrategy automaticTaxStrategy)
     : IProviderBillingService
 {
     public async Task AddExistingOrganization(
@@ -128,7 +125,7 @@ public class ProviderBillingService(
 
         /*
          * We have to scale the provider's seats before the ProviderOrganization
-         * row is inserted so the added organization's seats don't get double counted.
+         * row is inserted so the added organization's seats don't get double-counted.
          */
         await ScaleSeats(provider, organization.PlanType, organization.Seats!.Value);
 
@@ -236,7 +233,7 @@ public class ProviderBillingService(
 
         var providerCustomer = await subscriberService.GetCustomerOrThrow(provider, new CustomerGetOptions
         {
-            Expand = ["tax_ids"]
+            Expand = ["tax", "tax_ids"]
         });
 
         var providerTaxId = providerCustomer.TaxIds.FirstOrDefault();
@@ -284,6 +281,13 @@ public class ProviderBillingService(
             ]
         };
 
+        var setNonUSBusinessUseToReverseCharge = featureService.IsEnabled(FeatureFlagKeys.PM21092_SetNonUSBusinessUseToReverseCharge);
+
+        if (setNonUSBusinessUseToReverseCharge && providerCustomer.Address is not { Country: "US" })
+        {
+            customerCreateOptions.TaxExempt = StripeConstants.TaxExempt.Reverse;
+        }
+
         var customer = await stripeAdapter.CustomerCreateAsync(customerCreateOptions);
 
         organization.GatewayCustomerId = customer.Id;
@@ -520,6 +524,13 @@ public class ProviderBillingService(
             }
         };
 
+        var setNonUSBusinessUseToReverseCharge = featureService.IsEnabled(FeatureFlagKeys.PM21092_SetNonUSBusinessUseToReverseCharge);
+
+        if (setNonUSBusinessUseToReverseCharge && taxInfo.BillingAddressCountry != "US")
+        {
+            options.TaxExempt = StripeConstants.TaxExempt.Reverse;
+        }
+
         if (!string.IsNullOrEmpty(taxInfo.TaxIdNumber))
         {
             var taxIdType = taxService.GetStripeTaxCode(
@@ -531,6 +542,7 @@ public class ProviderBillingService(
                 logger.LogWarning("Could not infer tax ID type in country '{Country}' with tax ID '{TaxID}'.",
                     taxInfo.BillingAddressCountry,
                     taxInfo.TaxIdNumber);
+
                 throw new BadRequestException("billingTaxIdTypeInferenceError");
             }
 
@@ -718,14 +730,21 @@ public class ProviderBillingService(
             TrialPeriodDays = trialPeriodDays
         };
 
-        if (featureService.IsEnabled(FeatureFlagKeys.PM19147_AutomaticTaxImprovements))
+        var setNonUSBusinessUseToReverseCharge =
-        {
+            featureService.IsEnabled(FeatureFlagKeys.PM21092_SetNonUSBusinessUseToReverseCharge);
-            automaticTaxStrategy.SetCreateOptions(subscriptionCreateOptions, customer);
+
-        }
+        if (setNonUSBusinessUseToReverseCharge)
-        else
         {
             subscriptionCreateOptions.AutomaticTax = new SubscriptionAutomaticTaxOptions { Enabled = true };
         }
+        else if (customer.HasRecognizedTaxLocation())
+        {
+            subscriptionCreateOptions.AutomaticTax = new SubscriptionAutomaticTaxOptions
+            {
+                Enabled = customer.Address.Country == "US" ||
+                          customer.TaxIds.Any()
+            };
+        }
 
         try
         {

bitwarden_license/test/Commercial.Core.Test/AdminConsole/ProviderFeatures/RemoveOrganizationFromProviderCommandTests.cs

@@ -1,4 +1,5 @@
 using Bit.Commercial.Core.AdminConsole.Providers;
+using Bit.Core;
 using Bit.Core.AdminConsole.Entities;
 using Bit.Core.AdminConsole.Entities.Provider;
 using Bit.Core.AdminConsole.Enums.Provider;
@@ -8,7 +9,6 @@ using Bit.Core.Billing.Constants;
 using Bit.Core.Billing.Enums;
 using Bit.Core.Billing.Pricing;
 using Bit.Core.Billing.Services;
-using Bit.Core.Billing.Tax.Services;
 using Bit.Core.Enums;
 using Bit.Core.Exceptions;
 using Bit.Core.Repositories;
@@ -224,31 +224,115 @@ public class RemoveOrganizationFromProviderCommandTests
 
         var stripeAdapter = sutProvider.GetDependency<IStripeAdapter>();
 
+        stripeAdapter.CustomerUpdateAsync(organization.GatewayCustomerId, Arg.Is<CustomerUpdateOptions>(options =>
+            options.Description == string.Empty &&
+            options.Email == organization.BillingEmail &&
+            options.Expand[0] == "tax" &&
+            options.Expand[1] == "tax_ids")).Returns(new Customer
+            {
+                Id = "customer_id",
+                Address = new Address
+                {
+                    Country = "US"
+                }
+            });
+
         stripeAdapter.SubscriptionCreateAsync(Arg.Any<SubscriptionCreateOptions>()).Returns(new Subscription
         {
             Id = "subscription_id"
         });
 
-        sutProvider.GetDependency<IAutomaticTaxStrategy>()
+        await sutProvider.Sut.RemoveOrganizationFromProvider(provider, providerOrganization, organization);
-            .When(x => x.SetCreateOptions(
+
-                Arg.Is<SubscriptionCreateOptions>(options =>
+        await stripeAdapter.Received(1).SubscriptionCreateAsync(Arg.Is<SubscriptionCreateOptions>(options =>
-                    options.Customer == organization.GatewayCustomerId &&
+            options.Customer == organization.GatewayCustomerId &&
-                    options.CollectionMethod == StripeConstants.CollectionMethod.SendInvoice &&
+            options.CollectionMethod == StripeConstants.CollectionMethod.SendInvoice &&
-                    options.DaysUntilDue == 30 &&
+            options.DaysUntilDue == 30 &&
-                    options.Metadata["organizationId"] == organization.Id.ToString() &&
+            options.AutomaticTax.Enabled == true &&
-                    options.OffSession == true &&
+            options.Metadata["organizationId"] == organization.Id.ToString() &&
-                    options.ProrationBehavior == StripeConstants.ProrationBehavior.CreateProrations &&
+            options.OffSession == true &&
-                    options.Items.First().Price == teamsMonthlyPlan.PasswordManager.StripeSeatPlanId &&
+            options.ProrationBehavior == StripeConstants.ProrationBehavior.CreateProrations &&
-                    options.Items.First().Quantity == organization.Seats)
+            options.Items.First().Price == teamsMonthlyPlan.PasswordManager.StripeSeatPlanId &&
-                , Arg.Any<Customer>()))
+            options.Items.First().Quantity == organization.Seats));
-            .Do(x =>
+
+        await sutProvider.GetDependency<IProviderBillingService>().Received(1)
+            .ScaleSeats(provider, organization.PlanType, -organization.Seats ?? 0);
+
+        await organizationRepository.Received(1).ReplaceAsync(Arg.Is<Organization>(
+            org =>
+                org.BillingEmail == "a@example.com" &&
+                org.GatewaySubscriptionId == "subscription_id" &&
+                org.Status == OrganizationStatusType.Created));
+
+        await sutProvider.GetDependency<IProviderOrganizationRepository>().Received(1)
+            .DeleteAsync(providerOrganization);
+
+        await sutProvider.GetDependency<IEventService>().Received(1)
+            .LogProviderOrganizationEventAsync(providerOrganization, EventType.ProviderOrganization_Removed);
+
+        await sutProvider.GetDependency<IMailService>().Received(1)
+            .SendProviderUpdatePaymentMethod(
+                organization.Id,
+                organization.Name,
+                provider.Name,
+                Arg.Is<IEnumerable<string>>(emails => emails.FirstOrDefault() == "a@example.com"));
+    }
+
+    [Theory, BitAutoData]
+    public async Task RemoveOrganizationFromProvider_OrganizationStripeEnabled_ConsolidatedBilling_ReverseCharge_MakesCorrectInvocations(
+        Provider provider,
+        ProviderOrganization providerOrganization,
+        Organization organization,
+        SutProvider<RemoveOrganizationFromProviderCommand> sutProvider)
+    {
+        provider.Status = ProviderStatusType.Billable;
+
+        providerOrganization.ProviderId = provider.Id;
+
+        organization.Status = OrganizationStatusType.Managed;
+
+        organization.PlanType = PlanType.TeamsMonthly;
+
+        var teamsMonthlyPlan = StaticStore.GetPlan(PlanType.TeamsMonthly);
+
+        sutProvider.GetDependency<IPricingClient>().GetPlanOrThrow(PlanType.TeamsMonthly).Returns(teamsMonthlyPlan);
+
+        sutProvider.GetDependency<IHasConfirmedOwnersExceptQuery>().HasConfirmedOwnersExceptAsync(
+                providerOrganization.OrganizationId,
+                [],
+                includeProvider: false)
+            .Returns(true);
+
+        var organizationRepository = sutProvider.GetDependency<IOrganizationRepository>();
+
+        organizationRepository.GetOwnerEmailAddressesById(organization.Id).Returns([
+            "a@example.com",
+            "b@example.com"
+        ]);
+
+        var stripeAdapter = sutProvider.GetDependency<IStripeAdapter>();
+
+        stripeAdapter.CustomerUpdateAsync(organization.GatewayCustomerId, Arg.Is<CustomerUpdateOptions>(options =>
+            options.Description == string.Empty &&
+            options.Email == organization.BillingEmail &&
+            options.Expand[0] == "tax" &&
+            options.Expand[1] == "tax_ids")).Returns(new Customer
             {
-                x.Arg<SubscriptionCreateOptions>().AutomaticTax = new SubscriptionAutomaticTaxOptions
+                Id = "customer_id",
+                Address = new Address
                 {
-                    Enabled = true
+                    Country = "US"
-                };
+                }
             });
 
+        stripeAdapter.SubscriptionCreateAsync(Arg.Any<SubscriptionCreateOptions>()).Returns(new Subscription
+        {
+            Id = "subscription_id"
+        });
+
+        sutProvider.GetDependency<IFeatureService>()
+            .IsEnabled(FeatureFlagKeys.PM21092_SetNonUSBusinessUseToReverseCharge).Returns(true);
+
         await sutProvider.Sut.RemoveOrganizationFromProvider(provider, providerOrganization, organization);
 
         await stripeAdapter.Received(1).SubscriptionCreateAsync(Arg.Is<SubscriptionCreateOptions>(options =>

bitwarden_license/test/Commercial.Core.Test/Billing/ProviderBillingServiceTests.cs

@@ -262,7 +262,7 @@ public class ProviderBillingServiceTests
         };
 
         sutProvider.GetDependency<ISubscriberService>().GetCustomerOrThrow(provider, Arg.Is<CustomerGetOptions>(
-                options => options.Expand.FirstOrDefault() == "tax_ids"))
+                options => options.Expand.Contains("tax") && options.Expand.Contains("tax_ids")))
             .Returns(providerCustomer);
 
         sutProvider.GetDependency<IGlobalSettings>().BaseServiceUri
@@ -312,6 +312,91 @@ public class ProviderBillingServiceTests
             org => org.GatewayCustomerId == "customer_id"));
     }
 
+    [Theory, BitAutoData]
+    public async Task CreateCustomer_ForClientOrg_ReverseCharge_Succeeds(
+        Provider provider,
+        Organization organization,
+        SutProvider<ProviderBillingService> sutProvider)
+    {
+        organization.GatewayCustomerId = null;
+        organization.Name = "Name";
+        organization.BusinessName = "BusinessName";
+
+        var providerCustomer = new Customer
+        {
+            Address = new Address
+            {
+                Country = "CA",
+                PostalCode = "12345",
+                Line1 = "123 Main St.",
+                Line2 = "Unit 4",
+                City = "Fake Town",
+                State = "Fake State"
+            },
+            TaxIds = new StripeList<TaxId>
+            {
+                Data =
+                [
+                    new TaxId { Type = "TYPE", Value = "VALUE" }
+                ]
+            }
+        };
+
+        sutProvider.GetDependency<ISubscriberService>().GetCustomerOrThrow(provider, Arg.Is<CustomerGetOptions>(
+                options => options.Expand.Contains("tax") && options.Expand.Contains("tax_ids")))
+            .Returns(providerCustomer);
+
+        sutProvider.GetDependency<IGlobalSettings>().BaseServiceUri
+            .Returns(new Bit.Core.Settings.GlobalSettings.BaseServiceUriSettings(new Bit.Core.Settings.GlobalSettings())
+            {
+                CloudRegion = "US"
+            });
+
+        sutProvider.GetDependency<IFeatureService>()
+            .IsEnabled(FeatureFlagKeys.PM21092_SetNonUSBusinessUseToReverseCharge).Returns(true);
+
+        sutProvider.GetDependency<IStripeAdapter>().CustomerCreateAsync(Arg.Is<CustomerCreateOptions>(
+                options =>
+                    options.Address.Country == providerCustomer.Address.Country &&
+                    options.Address.PostalCode == providerCustomer.Address.PostalCode &&
+                    options.Address.Line1 == providerCustomer.Address.Line1 &&
+                    options.Address.Line2 == providerCustomer.Address.Line2 &&
+                    options.Address.City == providerCustomer.Address.City &&
+                    options.Address.State == providerCustomer.Address.State &&
+                    options.Name == organization.DisplayName() &&
+                    options.Description == $"{provider.Name} Client Organization" &&
+                    options.Email == provider.BillingEmail &&
+                    options.InvoiceSettings.CustomFields.FirstOrDefault().Name == "Organization" &&
+                    options.InvoiceSettings.CustomFields.FirstOrDefault().Value == "Name" &&
+                    options.Metadata["region"] == "US" &&
+                    options.TaxIdData.FirstOrDefault().Type == providerCustomer.TaxIds.FirstOrDefault().Type &&
+                    options.TaxIdData.FirstOrDefault().Value == providerCustomer.TaxIds.FirstOrDefault().Value &&
+                    options.TaxExempt == StripeConstants.TaxExempt.Reverse))
+            .Returns(new Customer { Id = "customer_id" });
+
+        await sutProvider.Sut.CreateCustomerForClientOrganization(provider, organization);
+
+        await sutProvider.GetDependency<IStripeAdapter>().Received(1).CustomerCreateAsync(Arg.Is<CustomerCreateOptions>(
+            options =>
+                options.Address.Country == providerCustomer.Address.Country &&
+                options.Address.PostalCode == providerCustomer.Address.PostalCode &&
+                options.Address.Line1 == providerCustomer.Address.Line1 &&
+                options.Address.Line2 == providerCustomer.Address.Line2 &&
+                options.Address.City == providerCustomer.Address.City &&
+                options.Address.State == providerCustomer.Address.State &&
+                options.Name == organization.DisplayName() &&
+                options.Description == $"{provider.Name} Client Organization" &&
+                options.Email == provider.BillingEmail &&
+                options.InvoiceSettings.CustomFields.FirstOrDefault().Name == "Organization" &&
+                options.InvoiceSettings.CustomFields.FirstOrDefault().Value == "Name" &&
+                options.Metadata["region"] == "US" &&
+                options.TaxIdData.FirstOrDefault().Type == providerCustomer.TaxIds.FirstOrDefault().Type &&
+                options.TaxIdData.FirstOrDefault().Value == providerCustomer.TaxIds.FirstOrDefault().Value));
+
+        await sutProvider.GetDependency<IOrganizationRepository>().Received(1).ReplaceAsync(Arg.Is<Organization>(
+            org => org.GatewayCustomerId == "customer_id"));
+    }
+
     #endregion
 
     #region GenerateClientInvoiceReport
@@ -1182,6 +1267,62 @@ public class ProviderBillingServiceTests
         Assert.Equivalent(expected, actual);
     }
 
+    [Theory, BitAutoData]
+    public async Task SetupCustomer_WithCard_ReverseCharge_Success(
+        SutProvider<ProviderBillingService> sutProvider,
+        Provider provider,
+        TaxInfo taxInfo)
+    {
+        provider.Name = "MSP";
+
+        sutProvider.GetDependency<ITaxService>()
+            .GetStripeTaxCode(Arg.Is<string>(
+                    p => p == taxInfo.BillingAddressCountry),
+                Arg.Is<string>(p => p == taxInfo.TaxIdNumber))
+            .Returns(taxInfo.TaxIdType);
+
+        taxInfo.BillingAddressCountry = "AD";
+
+        var stripeAdapter = sutProvider.GetDependency<IStripeAdapter>();
+
+        var expected = new Customer
+        {
+            Id = "customer_id",
+            Tax = new CustomerTax { AutomaticTax = StripeConstants.AutomaticTaxStatus.Supported }
+        };
+
+        var tokenizedPaymentSource = new TokenizedPaymentSource(PaymentMethodType.Card, "token");
+
+        sutProvider.GetDependency<IFeatureService>()
+            .IsEnabled(FeatureFlagKeys.PM19956_RequireProviderPaymentMethodDuringSetup).Returns(true);
+
+        sutProvider.GetDependency<IFeatureService>()
+            .IsEnabled(FeatureFlagKeys.PM21092_SetNonUSBusinessUseToReverseCharge).Returns(true);
+
+        stripeAdapter.CustomerCreateAsync(Arg.Is<CustomerCreateOptions>(o =>
+                o.Address.Country == taxInfo.BillingAddressCountry &&
+                o.Address.PostalCode == taxInfo.BillingAddressPostalCode &&
+                o.Address.Line1 == taxInfo.BillingAddressLine1 &&
+                o.Address.Line2 == taxInfo.BillingAddressLine2 &&
+                o.Address.City == taxInfo.BillingAddressCity &&
+                o.Address.State == taxInfo.BillingAddressState &&
+                o.Description == WebUtility.HtmlDecode(provider.BusinessName) &&
+                o.Email == provider.BillingEmail &&
+                o.PaymentMethod == tokenizedPaymentSource.Token &&
+                o.InvoiceSettings.DefaultPaymentMethod == tokenizedPaymentSource.Token &&
+                o.InvoiceSettings.CustomFields.FirstOrDefault().Name == "Provider" &&
+                o.InvoiceSettings.CustomFields.FirstOrDefault().Value == "MSP" &&
+                o.Metadata["region"] == "" &&
+                o.TaxIdData.FirstOrDefault().Type == taxInfo.TaxIdType &&
+                o.TaxIdData.FirstOrDefault().Value == taxInfo.TaxIdNumber &&
+                o.TaxExempt == StripeConstants.TaxExempt.Reverse))
+            .Returns(expected);
+
+        var actual = await sutProvider.Sut.SetupCustomer(provider, taxInfo, tokenizedPaymentSource);
+
+        Assert.Equivalent(expected, actual);
+    }
+
     [Theory, BitAutoData]
     public async Task SetupCustomer_Throws_BadRequestException_WhenTaxIdIsInvalid(
         SutProvider<ProviderBillingService> sutProvider,
@@ -1307,7 +1448,7 @@ public class ProviderBillingServiceTests
             .Returns(new Customer
             {
                 Id = "customer_id",
-                Tax = new CustomerTax { AutomaticTax = StripeConstants.AutomaticTaxStatus.Supported }
+                Address = new Address { Country = "US" }
             });
 
         var providerPlans = new List<ProviderPlan>
@@ -1359,7 +1500,7 @@ public class ProviderBillingServiceTests
         var customer = new Customer
         {
             Id = "customer_id",
-            Tax = new CustomerTax { AutomaticTax = StripeConstants.AutomaticTaxStatus.Supported }
+            Address = new Address { Country = "US" }
         };
         sutProvider.GetDependency<ISubscriberService>()
             .GetCustomerOrThrow(
@@ -1399,19 +1540,6 @@ public class ProviderBillingServiceTests
 
         var expected = new Subscription { Id = "subscription_id", Status = StripeConstants.SubscriptionStatus.Active };
 
-        sutProvider.GetDependency<IAutomaticTaxStrategy>()
-            .When(x => x.SetCreateOptions(
-                Arg.Is<SubscriptionCreateOptions>(options =>
-                    options.Customer == "customer_id")
-                , Arg.Is<Customer>(p => p == customer)))
-            .Do(x =>
-            {
-                x.Arg<SubscriptionCreateOptions>().AutomaticTax = new SubscriptionAutomaticTaxOptions
-                {
-                    Enabled = true
-                };
-            });
-
         sutProvider.GetDependency<IStripeAdapter>().SubscriptionCreateAsync(Arg.Is<SubscriptionCreateOptions>(
             sub =>
                 sub.AutomaticTax.Enabled == true &&
@@ -1443,11 +1571,11 @@ public class ProviderBillingServiceTests
         var customer = new Customer
         {
             Id = "customer_id",
+            Address = new Address { Country = "US" },
             InvoiceSettings = new CustomerInvoiceSettings
             {
                 DefaultPaymentMethodId = "pm_123"
-            },
+            }
-            Tax = new CustomerTax { AutomaticTax = StripeConstants.AutomaticTaxStatus.Supported }
         };
 
         sutProvider.GetDependency<ISubscriberService>()
@@ -1488,19 +1616,6 @@ public class ProviderBillingServiceTests
 
         var expected = new Subscription { Id = "subscription_id", Status = StripeConstants.SubscriptionStatus.Active };
 
-        sutProvider.GetDependency<IAutomaticTaxStrategy>()
-            .When(x => x.SetCreateOptions(
-                Arg.Is<SubscriptionCreateOptions>(options =>
-                    options.Customer == "customer_id")
-                , Arg.Is<Customer>(p => p == customer)))
-            .Do(x =>
-            {
-                x.Arg<SubscriptionCreateOptions>().AutomaticTax = new SubscriptionAutomaticTaxOptions
-                {
-                    Enabled = true
-                };
-            });
-
         sutProvider.GetDependency<IFeatureService>()
             .IsEnabled(FeatureFlagKeys.PM19956_RequireProviderPaymentMethodDuringSetup).Returns(true);
 
@@ -1536,9 +1651,9 @@ public class ProviderBillingServiceTests
         var customer = new Customer
         {
             Id = "customer_id",
+            Address = new Address { Country = "US" },
             InvoiceSettings = new CustomerInvoiceSettings(),
-            Metadata = new Dictionary<string, string>(),
+            Metadata = new Dictionary<string, string>()
-            Tax = new CustomerTax { AutomaticTax = StripeConstants.AutomaticTaxStatus.Supported }
         };
 
         sutProvider.GetDependency<ISubscriberService>()
@@ -1579,19 +1694,6 @@ public class ProviderBillingServiceTests
 
         var expected = new Subscription { Id = "subscription_id", Status = StripeConstants.SubscriptionStatus.Active };
 
-        sutProvider.GetDependency<IAutomaticTaxStrategy>()
-            .When(x => x.SetCreateOptions(
-                Arg.Is<SubscriptionCreateOptions>(options =>
-                    options.Customer == "customer_id")
-                , Arg.Is<Customer>(p => p == customer)))
-            .Do(x =>
-            {
-                x.Arg<SubscriptionCreateOptions>().AutomaticTax = new SubscriptionAutomaticTaxOptions
-                {
-                    Enabled = true
-                };
-            });
-
         sutProvider.GetDependency<IFeatureService>()
             .IsEnabled(FeatureFlagKeys.PM19956_RequireProviderPaymentMethodDuringSetup).Returns(true);
 
@@ -1646,12 +1748,15 @@ public class ProviderBillingServiceTests
         var customer = new Customer
         {
             Id = "customer_id",
+            Address = new Address
+            {
+                Country = "US"
+            },
             InvoiceSettings = new CustomerInvoiceSettings(),
             Metadata = new Dictionary<string, string>
             {
                 ["btCustomerId"] = "braintree_customer_id"
-            },
+            }
-            Tax = new CustomerTax { AutomaticTax = StripeConstants.AutomaticTaxStatus.Supported }
         };
 
         sutProvider.GetDependency<ISubscriberService>()
@@ -1692,22 +1797,92 @@ public class ProviderBillingServiceTests
 
         var expected = new Subscription { Id = "subscription_id", Status = StripeConstants.SubscriptionStatus.Active };
 
-        sutProvider.GetDependency<IAutomaticTaxStrategy>()
+        sutProvider.GetDependency<IFeatureService>()
-            .When(x => x.SetCreateOptions(
+            .IsEnabled(FeatureFlagKeys.PM19956_RequireProviderPaymentMethodDuringSetup).Returns(true);
-                Arg.Is<SubscriptionCreateOptions>(options =>
+
-                    options.Customer == "customer_id")
+        sutProvider.GetDependency<IStripeAdapter>().SubscriptionCreateAsync(Arg.Is<SubscriptionCreateOptions>(
-                , Arg.Is<Customer>(p => p == customer)))
+            sub =>
-            .Do(x =>
+                sub.AutomaticTax.Enabled == true &&
+                sub.CollectionMethod == StripeConstants.CollectionMethod.ChargeAutomatically &&
+                sub.Customer == "customer_id" &&
+                sub.DaysUntilDue == null &&
+                sub.Items.Count == 2 &&
+                sub.Items.ElementAt(0).Price == ProviderPriceAdapter.MSP.Active.Teams &&
+                sub.Items.ElementAt(0).Quantity == 100 &&
+                sub.Items.ElementAt(1).Price == ProviderPriceAdapter.MSP.Active.Enterprise &&
+                sub.Items.ElementAt(1).Quantity == 100 &&
+                sub.Metadata["providerId"] == provider.Id.ToString() &&
+                sub.OffSession == true &&
+                sub.ProrationBehavior == StripeConstants.ProrationBehavior.CreateProrations &&
+                sub.TrialPeriodDays == 14)).Returns(expected);
+
+        var actual = await sutProvider.Sut.SetupSubscription(provider);
+
+        Assert.Equivalent(expected, actual);
+    }
+
+    [Theory, BitAutoData]
+    public async Task SetupSubscription_ReverseCharge_Succeeds(
+        SutProvider<ProviderBillingService> sutProvider,
+        Provider provider)
+    {
+        provider.Type = ProviderType.Msp;
+        provider.GatewaySubscriptionId = null;
+
+        var customer = new Customer
+        {
+            Id = "customer_id",
+            Address = new Address { Country = "CA" },
+            InvoiceSettings = new CustomerInvoiceSettings
             {
-                x.Arg<SubscriptionCreateOptions>().AutomaticTax = new SubscriptionAutomaticTaxOptions
+                DefaultPaymentMethodId = "pm_123"
-                {
+            }
-                    Enabled = true
+        };
-                };
+
-            });
+        sutProvider.GetDependency<ISubscriberService>()
+            .GetCustomerOrThrow(
+                provider,
+                Arg.Is<CustomerGetOptions>(p => p.Expand.Contains("tax") || p.Expand.Contains("tax_ids"))).Returns(customer);
+
+        var providerPlans = new List<ProviderPlan>
+        {
+            new()
+            {
+                Id = Guid.NewGuid(),
+                ProviderId = provider.Id,
+                PlanType = PlanType.TeamsMonthly,
+                SeatMinimum = 100,
+                PurchasedSeats = 0,
+                AllocatedSeats = 0
+            },
+            new()
+            {
+                Id = Guid.NewGuid(),
+                ProviderId = provider.Id,
+                PlanType = PlanType.EnterpriseMonthly,
+                SeatMinimum = 100,
+                PurchasedSeats = 0,
+                AllocatedSeats = 0
+            }
+        };
+
+        foreach (var plan in providerPlans)
+        {
+            sutProvider.GetDependency<IPricingClient>().GetPlanOrThrow(plan.PlanType)
+                .Returns(StaticStore.GetPlan(plan.PlanType));
+        }
+
+        sutProvider.GetDependency<IProviderPlanRepository>().GetByProviderId(provider.Id)
+            .Returns(providerPlans);
+
+        var expected = new Subscription { Id = "subscription_id", Status = StripeConstants.SubscriptionStatus.Active };
 
         sutProvider.GetDependency<IFeatureService>()
             .IsEnabled(FeatureFlagKeys.PM19956_RequireProviderPaymentMethodDuringSetup).Returns(true);
 
+        sutProvider.GetDependency<IFeatureService>()
+            .IsEnabled(FeatureFlagKeys.PM21092_SetNonUSBusinessUseToReverseCharge).Returns(true);
+
         sutProvider.GetDependency<IStripeAdapter>().SubscriptionCreateAsync(Arg.Is<SubscriptionCreateOptions>(
             sub =>
                 sub.AutomaticTax.Enabled == true &&

src/Api/Billing/Controllers/OrganizationsController.cs

@@ -109,28 +109,6 @@ public class OrganizationsController(
         return license;
     }
 
-    [HttpPost("{id:guid}/payment")]
-    [SelfHosted(NotSelfHostedOnly = true)]
-    public async Task PostPayment(Guid id, [FromBody] PaymentRequestModel model)
-    {
-        if (!await currentContext.EditPaymentMethods(id))
-        {
-            throw new NotFoundException();
-        }
-
-        await organizationService.ReplacePaymentMethodAsync(id, model.PaymentToken,
-            model.PaymentMethodType.Value, new TaxInfo
-            {
-                BillingAddressLine1 = model.Line1,
-                BillingAddressLine2 = model.Line2,
-                BillingAddressState = model.State,
-                BillingAddressCity = model.City,
-                BillingAddressPostalCode = model.PostalCode,
-                BillingAddressCountry = model.Country,
-                TaxIdNumber = model.TaxId,
-            });
-    }
-
     [HttpPost("{id:guid}/upgrade")]
     [SelfHosted(NotSelfHostedOnly = true)]
     public async Task<PaymentResponseModel> PostUpgrade(Guid id, [FromBody] OrganizationUpgradeRequestModel model)

src/Billing/Services/Implementations/UpcomingInvoiceHandler.cs

@@ -1,11 +1,11 @@
 using Bit.Core;
+using Bit.Core.AdminConsole.Entities;
+using Bit.Core.AdminConsole.Entities.Provider;
 using Bit.Core.AdminConsole.Repositories;
 using Bit.Core.Billing.Constants;
 using Bit.Core.Billing.Enums;
 using Bit.Core.Billing.Extensions;
 using Bit.Core.Billing.Pricing;
-using Bit.Core.Billing.Services.Contracts;
-using Bit.Core.Billing.Tax.Services;
 using Bit.Core.OrganizationFeatures.OrganizationSponsorships.FamiliesForEnterprise.Interfaces;
 using Bit.Core.Repositories;
 using Bit.Core.Services;
@@ -25,8 +25,7 @@ public class UpcomingInvoiceHandler(
     IStripeEventService stripeEventService,
     IStripeEventUtilityService stripeEventUtilityService,
     IUserRepository userRepository,
-    IValidateSponsorshipCommand validateSponsorshipCommand,
+    IValidateSponsorshipCommand validateSponsorshipCommand)
-    IAutomaticTaxFactory automaticTaxFactory)
     : IUpcomingInvoiceHandler
 {
     public async Task HandleAsync(Event parsedEvent)
@@ -46,6 +45,8 @@ public class UpcomingInvoiceHandler(
 
         var (organizationId, userId, providerId) = stripeEventUtilityService.GetIdsFromMetadata(subscription.Metadata);
 
+        var setNonUSBusinessUseToReverseCharge = featureService.IsEnabled(FeatureFlagKeys.PM21092_SetNonUSBusinessUseToReverseCharge);
+
         if (organizationId.HasValue)
         {
             var organization = await organizationRepository.GetByIdAsync(organizationId.Value);
@@ -55,7 +56,7 @@ public class UpcomingInvoiceHandler(
                 return;
             }
 
-            await TryEnableAutomaticTaxAsync(subscription);
+            await AlignOrganizationTaxConcernsAsync(organization, subscription, parsedEvent.Id, setNonUSBusinessUseToReverseCharge);
 
             var plan = await pricingClient.GetPlanOrThrow(organization.PlanType);
 
@@ -100,7 +101,25 @@ public class UpcomingInvoiceHandler(
                 return;
             }
 
-            await TryEnableAutomaticTaxAsync(subscription);
+            if (!subscription.AutomaticTax.Enabled && subscription.Customer.HasRecognizedTaxLocation())
+            {
+                try
+                {
+                    await stripeFacade.UpdateSubscription(subscription.Id,
+                        new SubscriptionUpdateOptions
+                        {
+                            AutomaticTax = new SubscriptionAutomaticTaxOptions { Enabled = true }
+                        });
+                }
+                catch (Exception exception)
+                {
+                    logger.LogError(
+                        exception,
+                        "Failed to set user's ({UserID}) subscription to automatic tax while processing event with ID {EventID}",
+                        user.Id,
+                        parsedEvent.Id);
+                }
+            }
 
             if (user.Premium)
             {
@@ -116,7 +135,7 @@ public class UpcomingInvoiceHandler(
                 return;
             }
 
-            await TryEnableAutomaticTaxAsync(subscription);
+            await AlignProviderTaxConcernsAsync(provider, subscription, parsedEvent.Id, setNonUSBusinessUseToReverseCharge);
 
             await SendUpcomingInvoiceEmailsAsync(new List<string> { provider.BillingEmail }, invoice);
         }
@@ -139,50 +158,123 @@ public class UpcomingInvoiceHandler(
         }
     }
 
-    private async Task TryEnableAutomaticTaxAsync(Subscription subscription)
+    private async Task AlignOrganizationTaxConcernsAsync(
+        Organization organization,
+        Subscription subscription,
+        string eventId,
+        bool setNonUSBusinessUseToReverseCharge)
     {
-        if (featureService.IsEnabled(FeatureFlagKeys.PM19147_AutomaticTaxImprovements))
+        var nonUSBusinessUse =
-        {
+            organization.PlanType.GetProductTier() != ProductTierType.Families &&
-            var automaticTaxParameters = new AutomaticTaxFactoryParameters(subscription.Items.Select(x => x.Price.Id));
+            subscription.Customer.Address.Country != "US";
-            var automaticTaxStrategy = await automaticTaxFactory.CreateAsync(automaticTaxParameters);
-            var updateOptions = automaticTaxStrategy.GetUpdateOptions(subscription);
 
-            if (updateOptions == null)
+        bool setAutomaticTaxToEnabled;
+
+        if (setNonUSBusinessUseToReverseCharge)
+        {
+            if (nonUSBusinessUse && subscription.Customer.TaxExempt != StripeConstants.TaxExempt.Reverse)
             {
-                return;
+                try
+                {
+                    await stripeFacade.UpdateCustomer(subscription.CustomerId,
+                        new CustomerUpdateOptions { TaxExempt = StripeConstants.TaxExempt.Reverse });
+                }
+                catch (Exception exception)
+                {
+                    logger.LogError(
+                        exception,
+                        "Failed to set organization's ({OrganizationID}) to reverse tax exemption while processing event with ID {EventID}",
+                        organization.Id,
+                        eventId);
+                }
             }
 
-            await stripeFacade.UpdateSubscription(subscription.Id, updateOptions);
+            setAutomaticTaxToEnabled = true;
-            return;
         }
-
+        else
-        if (subscription.AutomaticTax.Enabled ||
-            !subscription.Customer.HasBillingLocation() ||
-            await IsNonTaxableNonUSBusinessUseSubscription(subscription))
         {
-            return;
+            setAutomaticTaxToEnabled =
+                subscription.Customer.HasRecognizedTaxLocation() &&
+                (subscription.Customer.Address.Country == "US" ||
+                 (nonUSBusinessUse && subscription.Customer.TaxIds.Any()));
         }
 
-        await stripeFacade.UpdateSubscription(subscription.Id,
+        if (!subscription.AutomaticTax.Enabled && setAutomaticTaxToEnabled)
-            new SubscriptionUpdateOptions
+        {
+            try
             {
-                DefaultTaxRates = [],
+                await stripeFacade.UpdateSubscription(subscription.Id,
-                AutomaticTax = new SubscriptionAutomaticTaxOptions { Enabled = true }
+                    new SubscriptionUpdateOptions
-            });
+                    {
+                        AutomaticTax = new SubscriptionAutomaticTaxOptions { Enabled = true }
+                    });
+            }
+            catch (Exception exception)
+            {
+                logger.LogError(
+                    exception,
+                    "Failed to set organization's ({OrganizationID}) subscription to automatic tax while processing event with ID {EventID}",
+                    organization.Id,
+                    eventId);
+            }
+        }
+    }
 
-        return;
+    private async Task AlignProviderTaxConcernsAsync(
+        Provider provider,
+        Subscription subscription,
+        string eventId,
+        bool setNonUSBusinessUseToReverseCharge)
+    {
+        bool setAutomaticTaxToEnabled;
 
-        async Task<bool> IsNonTaxableNonUSBusinessUseSubscription(Subscription localSubscription)
+        if (setNonUSBusinessUseToReverseCharge)
         {
-            var familyPriceIds = (await Task.WhenAll(
+            if (subscription.Customer.Address.Country != "US" && subscription.Customer.TaxExempt != StripeConstants.TaxExempt.Reverse)
-                    pricingClient.GetPlanOrThrow(PlanType.FamiliesAnnually2019),
+            {
-                    pricingClient.GetPlanOrThrow(PlanType.FamiliesAnnually)))
+                try
-                .Select(plan => plan.PasswordManager.StripePlanId);
+                {
+                    await stripeFacade.UpdateCustomer(subscription.CustomerId,
+                        new CustomerUpdateOptions { TaxExempt = StripeConstants.TaxExempt.Reverse });
+                }
+                catch (Exception exception)
+                {
+                    logger.LogError(
+                        exception,
+                        "Failed to set provider's ({ProviderID}) to reverse tax exemption while processing event with ID {EventID}",
+                        provider.Id,
+                        eventId);
+                }
+            }
 
-            return localSubscription.Customer.Address.Country != "US" &&
+            setAutomaticTaxToEnabled = true;
-                   localSubscription.Metadata.ContainsKey(StripeConstants.MetadataKeys.OrganizationId) &&
+        }
-                   !localSubscription.Items.Select(item => item.Price.Id).Intersect(familyPriceIds).Any() &&
+        else
-                   !localSubscription.Customer.TaxIds.Any();
+        {
+            setAutomaticTaxToEnabled =
+                subscription.Customer.HasRecognizedTaxLocation() &&
+                (subscription.Customer.Address.Country == "US" ||
+                 subscription.Customer.TaxIds.Any());
+        }
+
+        if (!subscription.AutomaticTax.Enabled && setAutomaticTaxToEnabled)
+        {
+            try
+            {
+                await stripeFacade.UpdateSubscription(subscription.Id,
+                    new SubscriptionUpdateOptions
+                    {
+                        AutomaticTax = new SubscriptionAutomaticTaxOptions { Enabled = true }
+                    });
+            }
+            catch (Exception exception)
+            {
+                logger.LogError(
+                    exception,
+                    "Failed to set provider's ({ProviderID}) subscription to automatic tax while processing event with ID {EventID}",
+                    provider.Id,
+                    eventId);
+            }
         }
     }
 }

src/Core/AdminConsole/Services/IOrganizationService.cs

@@ -11,8 +11,6 @@ namespace Bit.Core.Services;
 
 public interface IOrganizationService
 {
-    Task ReplacePaymentMethodAsync(Guid organizationId, string paymentToken, PaymentMethodType paymentMethodType,
-        TaxInfo taxInfo);
     Task CancelSubscriptionAsync(Guid organizationId, bool? endOfPeriod = null);
     Task ReinstateSubscriptionAsync(Guid organizationId);
     Task<string> AdjustStorageAsync(Guid organizationId, short storageAdjustmentGb);

src/Core/AdminConsole/Services/Implementations/OrganizationService.cs

@@ -144,27 +144,6 @@ public class OrganizationService : IOrganizationService
         _sendOrganizationInvitesCommand = sendOrganizationInvitesCommand;
     }
 
-    public async Task ReplacePaymentMethodAsync(Guid organizationId, string paymentToken,
-        PaymentMethodType paymentMethodType, TaxInfo taxInfo)
-    {
-        var organization = await GetOrgById(organizationId);
-        if (organization == null)
-        {
-            throw new NotFoundException();
-        }
-
-        await _paymentService.SaveTaxInfoAsync(organization, taxInfo);
-        var updated = await _paymentService.UpdatePaymentMethodAsync(
-            organization,
-            paymentMethodType,
-            paymentToken,
-            taxInfo);
-        if (updated)
-        {
-            await ReplaceAndUpdateCacheAsync(organization);
-        }
-    }
-
     public async Task CancelSubscriptionAsync(Guid organizationId, bool? endOfPeriod = null)
     {
         var organization = await GetOrgById(organizationId);

src/Core/Billing/Constants/StripeConstants.cs

@@ -2,10 +2,6 @@
 
 public static class StripeConstants
 {
-    public static class Prices
-    {
-        public const string StoragePlanPersonal = "personal-storage-gb-annually";
-    }
     public static class AutomaticTaxStatus
     {
         public const string Failed = "failed";
@@ -69,6 +65,11 @@ public static class StripeConstants
         public const string USBankAccount = "us_bank_account";
     }
 
+    public static class Prices
+    {
+        public const string StoragePlanPersonal = "personal-storage-gb-annually";
+    }
+
     public static class ProrationBehavior
     {
         public const string AlwaysInvoice = "always_invoice";
@@ -88,6 +89,13 @@ public static class StripeConstants
         public const string Paused = "paused";
     }
 
+    public static class TaxExempt
+    {
+        public const string Exempt = "exempt";
+        public const string None = "none";
+        public const string Reverse = "reverse";
+    }
+
     public static class ValidateTaxLocationTiming
     {
         public const string Deferred = "deferred";

src/Core/Billing/Extensions/CustomerExtensions.cs

@@ -15,12 +15,7 @@ public static class CustomerExtensions
             }
         };
 
-    /// <summary>
+    public static bool HasRecognizedTaxLocation(this Customer customer) =>
-    /// Determines if a Stripe customer supports automatic tax
-    /// </summary>
-    /// <param name="customer"></param>
-    /// <returns></returns>
-    public static bool HasTaxLocationVerified(this Customer customer) =>
         customer?.Tax?.AutomaticTax != StripeConstants.AutomaticTaxStatus.UnrecognizedLocation;
 
     public static decimal GetBillingBalance(this Customer customer)

src/Core/Billing/Extensions/SubscriptionUpdateOptionsExtensions.cs

@@ -22,7 +22,7 @@ public static class SubscriptionUpdateOptionsExtensions
         }
 
         // We might only need to check the automatic tax status.
-        if (!customer.HasTaxLocationVerified() && string.IsNullOrWhiteSpace(customer.Address?.Country))
+        if (!customer.HasRecognizedTaxLocation() && string.IsNullOrWhiteSpace(customer.Address?.Country))
         {
             return false;
         }

src/Core/Billing/Extensions/UpcomingInvoiceOptionsExtensions.cs

@@ -22,7 +22,7 @@ public static class UpcomingInvoiceOptionsExtensions
         }
 
         // We might only need to check the automatic tax status.
-        if (!customer.HasTaxLocationVerified() && string.IsNullOrWhiteSpace(customer.Address?.Country))
+        if (!customer.HasRecognizedTaxLocation() && string.IsNullOrWhiteSpace(customer.Address?.Country))
         {
             return false;
         }

src/Core/Billing/Services/Implementations/OrganizationBillingService.cs

@@ -1,11 +1,11 @@
 using Bit.Core.AdminConsole.Entities;
 using Bit.Core.Billing.Caches;
 using Bit.Core.Billing.Constants;
+using Bit.Core.Billing.Enums;
 using Bit.Core.Billing.Extensions;
 using Bit.Core.Billing.Models;
 using Bit.Core.Billing.Models.Sales;
 using Bit.Core.Billing.Pricing;
-using Bit.Core.Billing.Services.Contracts;
 using Bit.Core.Billing.Tax.Models;
 using Bit.Core.Billing.Tax.Services;
 using Bit.Core.Enums;
@@ -35,16 +35,15 @@ public class OrganizationBillingService(
     ISetupIntentCache setupIntentCache,
     IStripeAdapter stripeAdapter,
     ISubscriberService subscriberService,
-    ITaxService taxService,
+    ITaxService taxService) : IOrganizationBillingService
-    IAutomaticTaxFactory automaticTaxFactory) : IOrganizationBillingService
 {
     public async Task Finalize(OrganizationSale sale)
     {
         var (organization, customerSetup, subscriptionSetup) = sale;
 
         var customer = string.IsNullOrEmpty(organization.GatewayCustomerId) && customerSetup != null
-            ? await CreateCustomerAsync(organization, customerSetup)
+            ? await CreateCustomerAsync(organization, customerSetup, subscriptionSetup.PlanType)
-            : await subscriberService.GetCustomerOrThrow(organization, new CustomerGetOptions { Expand = ["tax", "tax_ids"] });
+            : await GetCustomerWhileEnsuringCorrectTaxExemptionAsync(organization, subscriptionSetup);
 
         var subscription = await CreateSubscriptionAsync(organization.Id, customer, subscriptionSetup);
 
@@ -121,7 +120,8 @@ public class OrganizationBillingService(
             subscription.CurrentPeriodEnd);
     }
 
-    public async Task UpdatePaymentMethod(
+    public async Task
+        UpdatePaymentMethod(
         Organization organization,
         TokenizedPaymentSource tokenizedPaymentSource,
         TaxInformation taxInformation)
@@ -151,8 +151,11 @@ public class OrganizationBillingService(
 
     private async Task<Customer> CreateCustomerAsync(
         Organization organization,
-        CustomerSetup customerSetup)
+        CustomerSetup customerSetup,
+        PlanType? updatedPlanType = null)
     {
+        var planType = updatedPlanType ?? organization.PlanType;
+
         var displayName = organization.DisplayName();
 
         var customerCreateOptions = new CustomerCreateOptions
@@ -212,13 +215,24 @@ public class OrganizationBillingService(
                 City = customerSetup.TaxInformation.City,
                 PostalCode = customerSetup.TaxInformation.PostalCode,
                 State = customerSetup.TaxInformation.State,
-                Country = customerSetup.TaxInformation.Country,
+                Country = customerSetup.TaxInformation.Country
             };
+
             customerCreateOptions.Tax = new CustomerTaxOptions
             {
                 ValidateLocation = StripeConstants.ValidateTaxLocationTiming.Immediately
             };
 
+            var setNonUSBusinessUseToReverseCharge =
+                featureService.IsEnabled(FeatureFlagKeys.PM21092_SetNonUSBusinessUseToReverseCharge);
+
+            if (setNonUSBusinessUseToReverseCharge &&
+                planType.GetProductTier() is not ProductTierType.Free and not ProductTierType.Families &&
+                customerSetup.TaxInformation.Country != "US")
+            {
+                customerCreateOptions.TaxExempt = StripeConstants.TaxExempt.Reverse;
+            }
+
             if (!string.IsNullOrEmpty(customerSetup.TaxInformation.TaxId))
             {
                 var taxIdType = taxService.GetStripeTaxCode(customerSetup.TaxInformation.Country,
@@ -399,21 +413,68 @@ public class OrganizationBillingService(
             TrialPeriodDays = subscriptionSetup.SkipTrial ? 0 : plan.TrialPeriodDays
         };
 
-        if (featureService.IsEnabled(FeatureFlagKeys.PM19147_AutomaticTaxImprovements))
+        var setNonUSBusinessUseToReverseCharge =
+            featureService.IsEnabled(FeatureFlagKeys.PM21092_SetNonUSBusinessUseToReverseCharge);
+
+        if (setNonUSBusinessUseToReverseCharge)
         {
-            var automaticTaxParameters = new AutomaticTaxFactoryParameters(subscriptionSetup.PlanType);
+            subscriptionCreateOptions.AutomaticTax = new SubscriptionAutomaticTaxOptions { Enabled = true };
-            var automaticTaxStrategy = await automaticTaxFactory.CreateAsync(automaticTaxParameters);
-            automaticTaxStrategy.SetCreateOptions(subscriptionCreateOptions, customer);
         }
-        else
+        else if (customer.HasRecognizedTaxLocation())
         {
-            subscriptionCreateOptions.AutomaticTax ??= new SubscriptionAutomaticTaxOptions();
+            subscriptionCreateOptions.AutomaticTax = new SubscriptionAutomaticTaxOptions
-            subscriptionCreateOptions.AutomaticTax.Enabled = customer.HasBillingLocation();
+            {
+                Enabled =
+                    subscriptionSetup.PlanType.GetProductTier() == ProductTierType.Families ||
+                    customer.Address.Country == "US" ||
+                    customer.TaxIds.Any()
+            };
         }
 
         return await stripeAdapter.SubscriptionCreateAsync(subscriptionCreateOptions);
     }
 
+    private async Task<Customer> GetCustomerWhileEnsuringCorrectTaxExemptionAsync(
+        Organization organization,
+        SubscriptionSetup subscriptionSetup)
+    {
+        var customer = await subscriberService.GetCustomerOrThrow(organization,
+            new CustomerGetOptions { Expand = ["tax", "tax_ids"] });
+
+        var setNonUSBusinessUseToReverseCharge = featureService.IsEnabled(FeatureFlagKeys.PM21092_SetNonUSBusinessUseToReverseCharge);
+
+        if (!setNonUSBusinessUseToReverseCharge || subscriptionSetup.PlanType.GetProductTier() is
+                not (ProductTierType.Teams or
+                ProductTierType.TeamsStarter or
+                ProductTierType.Enterprise))
+        {
+            return customer;
+        }
+
+        List<string> expansions = ["tax", "tax_ids"];
+
+        customer = customer switch
+        {
+            { Address.Country: not "US", TaxExempt: not StripeConstants.TaxExempt.Reverse } => await
+                stripeAdapter.CustomerUpdateAsync(customer.Id,
+                    new CustomerUpdateOptions
+                    {
+                        Expand = expansions,
+                        TaxExempt = StripeConstants.TaxExempt.Reverse
+                    }),
+            { Address.Country: "US", TaxExempt: StripeConstants.TaxExempt.Reverse } => await
+                stripeAdapter.CustomerUpdateAsync(customer.Id,
+                    new CustomerUpdateOptions
+                    {
+                        Expand = expansions,
+                        TaxExempt = StripeConstants.TaxExempt.None
+                    }),
+            _ => customer
+        };
+
+        return customer;
+    }
+
     private async Task<bool> IsEligibleForSelfHostAsync(
         Organization organization)
     {

src/Core/Billing/Services/Implementations/PremiumUserBillingService.cs

@@ -3,8 +3,6 @@ using Bit.Core.Billing.Constants;
 using Bit.Core.Billing.Models;
 using Bit.Core.Billing.Models.Sales;
 using Bit.Core.Billing.Tax.Models;
-using Bit.Core.Billing.Tax.Services;
-using Bit.Core.Billing.Tax.Services.Implementations;
 using Bit.Core.Entities;
 using Bit.Core.Enums;
 using Bit.Core.Exceptions;
@@ -12,7 +10,6 @@ using Bit.Core.Repositories;
 using Bit.Core.Services;
 using Bit.Core.Settings;
 using Braintree;
-using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using Stripe;
 using Customer = Stripe.Customer;
@@ -24,20 +21,18 @@ using static Utilities;
 
 public class PremiumUserBillingService(
     IBraintreeGateway braintreeGateway,
-    IFeatureService featureService,
     IGlobalSettings globalSettings,
     ILogger<PremiumUserBillingService> logger,
     ISetupIntentCache setupIntentCache,
     IStripeAdapter stripeAdapter,
     ISubscriberService subscriberService,
-    IUserRepository userRepository,
+    IUserRepository userRepository) : IPremiumUserBillingService
-    [FromKeyedServices(AutomaticTaxFactory.PersonalUse)] IAutomaticTaxStrategy automaticTaxStrategy) : IPremiumUserBillingService
 {
     public async Task Credit(User user, decimal amount)
     {
         var customer = await subscriberService.GetCustomer(user);
 
-        // Negative credit represents a balance and all Stripe denomination is in cents.
+        // Negative credit represents a balance, and all Stripe denomination is in cents.
         var credit = (long)(amount * -100);
 
         if (customer == null)
@@ -184,7 +179,7 @@ public class PremiumUserBillingService(
                 City = customerSetup.TaxInformation.City,
                 PostalCode = customerSetup.TaxInformation.PostalCode,
                 State = customerSetup.TaxInformation.State,
-                Country = customerSetup.TaxInformation.Country,
+                Country = customerSetup.TaxInformation.Country
             },
             Description = user.Name,
             Email = user.Email,
@@ -324,6 +319,10 @@ public class PremiumUserBillingService(
 
         var subscriptionCreateOptions = new SubscriptionCreateOptions
         {
+            AutomaticTax = new SubscriptionAutomaticTaxOptions
+            {
+                Enabled = true
+            },
             CollectionMethod = StripeConstants.CollectionMethod.ChargeAutomatically,
             Customer = customer.Id,
             Items = subscriptionItemOptionsList,
@@ -337,18 +336,6 @@ public class PremiumUserBillingService(
             OffSession = true
         };
 
-        if (featureService.IsEnabled(FeatureFlagKeys.PM19147_AutomaticTaxImprovements))
-        {
-            automaticTaxStrategy.SetCreateOptions(subscriptionCreateOptions, customer);
-        }
-        else
-        {
-            subscriptionCreateOptions.AutomaticTax = new SubscriptionAutomaticTaxOptions
-            {
-                Enabled = customer.Tax?.AutomaticTax == StripeConstants.AutomaticTaxStatus.Supported,
-            };
-        }
-
         var subscription = await stripeAdapter.SubscriptionCreateAsync(subscriptionCreateOptions);
 
         if (usingPayPal)
@@ -380,7 +367,7 @@ public class PremiumUserBillingService(
                 City = taxInformation.City,
                 PostalCode = taxInformation.PostalCode,
                 State = taxInformation.State,
-                Country = taxInformation.Country,
+                Country = taxInformation.Country
             },
             Expand = ["tax"],
             Tax = new CustomerTaxOptions

src/Core/Billing/Services/Implementations/SubscriberService.cs

@@ -1,7 +1,10 @@
-using Bit.Core.Billing.Caches;
+using Bit.Core.AdminConsole.Entities;
+using Bit.Core.AdminConsole.Entities.Provider;
+using Bit.Core.Billing.Caches;
 using Bit.Core.Billing.Constants;
+using Bit.Core.Billing.Enums;
+using Bit.Core.Billing.Extensions;
 using Bit.Core.Billing.Models;
-using Bit.Core.Billing.Services.Contracts;
 using Bit.Core.Billing.Tax.Models;
 using Bit.Core.Billing.Tax.Services;
 using Bit.Core.Entities;
@@ -28,8 +31,7 @@ public class SubscriberService(
     ILogger<SubscriberService> logger,
     ISetupIntentCache setupIntentCache,
     IStripeAdapter stripeAdapter,
-    ITaxService taxService,
+    ITaxService taxService) : ISubscriberService
-    IAutomaticTaxFactory automaticTaxFactory) : ISubscriberService
 {
     public async Task CancelSubscription(
         ISubscriber subscriber,
@@ -128,7 +130,7 @@ public class SubscriberService(
                 [subscriber.BraintreeCloudRegionField()] = globalSettings.BaseServiceUri.CloudRegion
             },
             Email = subscriber.BillingEmailAddress(),
-            PaymentMethodNonce = paymentMethodNonce,
+            PaymentMethodNonce = paymentMethodNonce
         });
 
         if (customerResult.IsSuccess())
@@ -482,7 +484,7 @@ public class SubscriberService(
 
                     var matchingSetupIntent = setupIntentsForUpdatedPaymentMethod.First();
 
-                    // Find the customer's existing setup intents that should be cancelled.
+                    // Find the customer's existing setup intents that should be canceled.
                     var existingSetupIntentsForCustomer = (await getExistingSetupIntentsForCustomer)
                         .Where(si =>
                             si.Status is "requires_payment_method" or "requires_confirmation" or "requires_action");
@@ -519,7 +521,7 @@ public class SubscriberService(
                     await stripeAdapter.PaymentMethodAttachAsync(token,
                         new PaymentMethodAttachOptions { Customer = subscriber.GatewayCustomerId });
 
-                    // Find the customer's existing setup intents that should be cancelled.
+                    // Find the customer's existing setup intents that should be canceled.
                     var existingSetupIntentsForCustomer = (await getExistingSetupIntentsForCustomer)
                         .Where(si =>
                             si.Status is "requires_payment_method" or "requires_confirmation" or "requires_action");
@@ -637,7 +639,8 @@ public class SubscriberService(
                     logger.LogWarning("Could not infer tax ID type in country '{Country}' with tax ID '{TaxID}'.",
                         taxInformation.Country,
                         taxInformation.TaxId);
-                    throw new Exceptions.BadRequestException("billingTaxIdTypeInferenceError");
+
+                    throw new BadRequestException("billingTaxIdTypeInferenceError");
                 }
             }
 
@@ -654,53 +657,84 @@ public class SubscriberService(
                         logger.LogWarning("Invalid tax ID '{TaxID}' for country '{Country}'.",
                             taxInformation.TaxId,
                             taxInformation.Country);
-                        throw new Exceptions.BadRequestException("billingInvalidTaxIdError");
+
+                        throw new BadRequestException("billingInvalidTaxIdError");
+
                     default:
                         logger.LogError(e,
                             "Error creating tax ID '{TaxId}' in country '{Country}' for customer '{CustomerID}'.",
                             taxInformation.TaxId,
                             taxInformation.Country,
                             customer.Id);
-                        throw new Exceptions.BadRequestException("billingTaxIdCreationError");
+
+                        throw new BadRequestException("billingTaxIdCreationError");
                 }
             }
         }
 
-        if (featureService.IsEnabled(FeatureFlagKeys.PM19147_AutomaticTaxImprovements))
+        var subscription =
+            customer.Subscriptions.First(subscription => subscription.Id == subscriber.GatewaySubscriptionId);
+
+        var isBusinessUseSubscriber = subscriber switch
         {
-            if (!string.IsNullOrEmpty(subscriber.GatewaySubscriptionId))
+            Organization organization => organization.PlanType.GetProductTier() is not ProductTierType.Free and not ProductTierType.Families,
+            Provider => true,
+            _ => false
+        };
+
+        var setNonUSBusinessUseToReverseCharge =
+            featureService.IsEnabled(FeatureFlagKeys.PM21092_SetNonUSBusinessUseToReverseCharge);
+
+        if (setNonUSBusinessUseToReverseCharge && isBusinessUseSubscriber)
+        {
+            switch (customer)
             {
-                var subscriptionGetOptions = new SubscriptionGetOptions
+                case
                 {
-                    Expand = ["customer.tax", "customer.tax_ids"]
+                    Address.Country: not "US",
-                };
+                    TaxExempt: not StripeConstants.TaxExempt.Reverse
-                var subscription = await stripeAdapter.SubscriptionGetAsync(subscriber.GatewaySubscriptionId, subscriptionGetOptions);
+                }:
-                var automaticTaxParameters = new AutomaticTaxFactoryParameters(subscriber, subscription.Items.Select(x => x.Price.Id));
+                    await stripeAdapter.CustomerUpdateAsync(customer.Id,
-                var automaticTaxStrategy = await automaticTaxFactory.CreateAsync(automaticTaxParameters);
+                        new CustomerUpdateOptions { TaxExempt = StripeConstants.TaxExempt.Reverse });
-                var automaticTaxOptions = automaticTaxStrategy.GetUpdateOptions(subscription);
+                    break;
-                if (automaticTaxOptions?.AutomaticTax?.Enabled != null)
+                case
                 {
-                    await stripeAdapter.SubscriptionUpdateAsync(subscriber.GatewaySubscriptionId, automaticTaxOptions);
+                    Address.Country: "US",
-                }
+                    TaxExempt: StripeConstants.TaxExempt.Reverse
+                }:
+                    await stripeAdapter.CustomerUpdateAsync(customer.Id,
+                        new CustomerUpdateOptions { TaxExempt = StripeConstants.TaxExempt.None });
+                    break;
             }
-        }
+
-        else
+            if (!subscription.AutomaticTax.Enabled)
-        {
-            if (SubscriberIsEligibleForAutomaticTax(subscriber, customer))
             {
-                await stripeAdapter.SubscriptionUpdateAsync(subscriber.GatewaySubscriptionId,
+                await stripeAdapter.SubscriptionUpdateAsync(subscription.Id,
                     new SubscriptionUpdateOptions
                     {
                         AutomaticTax = new SubscriptionAutomaticTaxOptions { Enabled = true }
                     });
             }
+        }
+        else
+        {
+            var automaticTaxShouldBeEnabled = subscriber switch
+            {
+                User => true,
+                Organization organization => organization.PlanType.GetProductTier() == ProductTierType.Families ||
+                                             customer.Address.Country == "US" || (customer.TaxIds?.Any() ?? false),
+                Provider => customer.Address.Country == "US" || (customer.TaxIds?.Any() ?? false),
+                _ => false
+            };
 
-            return;
+            if (automaticTaxShouldBeEnabled && !subscription.AutomaticTax.Enabled)
-
+            {
-            bool SubscriberIsEligibleForAutomaticTax(ISubscriber localSubscriber, Customer localCustomer)
+                await stripeAdapter.SubscriptionUpdateAsync(subscription.Id,
-                => !string.IsNullOrEmpty(localSubscriber.GatewaySubscriptionId) &&
+                    new SubscriptionUpdateOptions
-                   (localCustomer.Subscriptions?.Any(sub => sub.Id == localSubscriber.GatewaySubscriptionId && !sub.AutomaticTax.Enabled) ?? false) &&
+                    {
-                   localCustomer.Tax?.AutomaticTax == StripeConstants.AutomaticTaxStatus.Supported;
+                        AutomaticTax = new SubscriptionAutomaticTaxOptions { Enabled = true }
+                    });
+            }
         }
     }
 

src/Core/Billing/Tax/Services/Implementations/BusinessUseAutomaticTaxStrategy.cs

@@ -76,7 +76,7 @@ public class BusinessUseAutomaticTaxStrategy(IFeatureService featureService) : I
 
     private bool ShouldBeEnabled(Customer customer)
     {
-        if (!customer.HasTaxLocationVerified())
+        if (!customer.HasRecognizedTaxLocation())
         {
             return false;
         }

src/Core/Billing/Tax/Services/Implementations/PersonalUseAutomaticTaxStrategy.cs

@@ -59,6 +59,6 @@ public class PersonalUseAutomaticTaxStrategy(IFeatureService featureService) : I
 
     private static bool ShouldBeEnabled(Customer customer)
     {
-        return customer.HasTaxLocationVerified();
+        return customer.HasRecognizedTaxLocation();
     }
 }

src/Core/Constants.cs

@@ -143,13 +143,13 @@ public static class FeatureFlagKeys
     public const string UsePricingService = "use-pricing-service";
     public const string PM12276Breadcrumbing = "pm-12276-breadcrumbing-for-business-features";
     public const string PM18794_ProviderPaymentMethod = "pm-18794-provider-payment-method";
-    public const string PM19147_AutomaticTaxImprovements = "pm-19147-automatic-tax-improvements";
     public const string PM19422_AllowAutomaticTaxUpdates = "pm-19422-allow-automatic-tax-updates";
     public const string PM18770_EnableOrganizationBusinessUnitConversion = "pm-18770-enable-organization-business-unit-conversion";
     public const string PM199566_UpdateMSPToChargeAutomatically = "pm-199566-update-msp-to-charge-automatically";
     public const string PM19956_RequireProviderPaymentMethodDuringSetup = "pm-19956-require-provider-payment-method-during-setup";
     public const string UseOrganizationWarningsService = "use-organization-warnings-service";
     public const string PM20322_AllowTrialLength0 = "pm-20322-allow-trial-length-0";
+    public const string PM21092_SetNonUSBusinessUseToReverseCharge = "pm-21092-set-non-us-business-use-to-reverse-charge";
 
     /* Data Insights and Reporting Team */
     public const string RiskInsightsCriticalApplication = "pm-14466-risk-insights-critical-application";

src/Core/Services/IPaymentService.cs

@@ -4,7 +4,6 @@ using Bit.Core.Billing.Models;
 using Bit.Core.Billing.Tax.Requests;
 using Bit.Core.Billing.Tax.Responses;
 using Bit.Core.Entities;
-using Bit.Core.Enums;
 using Bit.Core.Models.Business;
 using Bit.Core.Models.StaticStore;
 
@@ -30,8 +29,6 @@ public interface IPaymentService
     Task<string> AdjustServiceAccountsAsync(Organization organization, Plan plan, int additionalServiceAccounts);
     Task CancelSubscriptionAsync(ISubscriber subscriber, bool endOfPeriod = false);
     Task ReinstateSubscriptionAsync(ISubscriber subscriber);
-    Task<bool> UpdatePaymentMethodAsync(ISubscriber subscriber, PaymentMethodType paymentMethodType,
-        string paymentToken, TaxInfo taxInfo = null);
     Task<bool> CreditAccountAsync(ISubscriber subscriber, decimal creditAmount);
     Task<BillingInfo> GetBillingAsync(ISubscriber subscriber);
     Task<BillingHistoryInfo> GetBillingHistoryAsync(ISubscriber subscriber);

src/Core/Services/Implementations/StripePaymentService.cs

@@ -1,13 +1,13 @@
 using Bit.Core.AdminConsole.Entities;
+using Bit.Core.AdminConsole.Entities.Provider;
 using Bit.Core.AdminConsole.Models.Business;
 using Bit.Core.Billing.Constants;
+using Bit.Core.Billing.Enums;
 using Bit.Core.Billing.Extensions;
 using Bit.Core.Billing.Models;
 using Bit.Core.Billing.Models.Business;
 using Bit.Core.Billing.Pricing;
-using Bit.Core.Billing.Services;
 using Bit.Core.Billing.Services.Contracts;
-using Bit.Core.Billing.Tax.Models;
 using Bit.Core.Billing.Tax.Requests;
 using Bit.Core.Billing.Tax.Responses;
 using Bit.Core.Billing.Tax.Services;
@@ -38,7 +38,6 @@ public class StripePaymentService : IPaymentService
     private readonly IGlobalSettings _globalSettings;
     private readonly IFeatureService _featureService;
     private readonly ITaxService _taxService;
-    private readonly ISubscriberService _subscriberService;
     private readonly IPricingClient _pricingClient;
     private readonly IAutomaticTaxFactory _automaticTaxFactory;
     private readonly IAutomaticTaxStrategy _personalUseTaxStrategy;
@@ -51,7 +50,6 @@ public class StripePaymentService : IPaymentService
         IGlobalSettings globalSettings,
         IFeatureService featureService,
         ITaxService taxService,
-        ISubscriberService subscriberService,
         IPricingClient pricingClient,
         IAutomaticTaxFactory automaticTaxFactory,
         [FromKeyedServices(AutomaticTaxFactory.PersonalUse)] IAutomaticTaxStrategy personalUseTaxStrategy)
@@ -63,7 +61,6 @@ public class StripePaymentService : IPaymentService
         _globalSettings = globalSettings;
         _featureService = featureService;
         _taxService = taxService;
-        _subscriberService = subscriberService;
         _pricingClient = pricingClient;
         _automaticTaxFactory = automaticTaxFactory;
         _personalUseTaxStrategy = personalUseTaxStrategy;
@@ -136,15 +133,68 @@ public class StripePaymentService : IPaymentService
 
         if (subscriptionUpdate is CompleteSubscriptionUpdate)
         {
-            if (_featureService.IsEnabled(FeatureFlagKeys.PM19147_AutomaticTaxImprovements))
+            var setNonUSBusinessUseToReverseCharge =
+                _featureService.IsEnabled(FeatureFlagKeys.PM21092_SetNonUSBusinessUseToReverseCharge);
+
+            if (setNonUSBusinessUseToReverseCharge)
             {
-                var automaticTaxParameters = new AutomaticTaxFactoryParameters(subscriber, updatedItemOptions.Select(x => x.Plan ?? x.Price));
+                if (sub.Customer is
-                var automaticTaxStrategy = await _automaticTaxFactory.CreateAsync(automaticTaxParameters);
+                    {
-                automaticTaxStrategy.SetUpdateOptions(subUpdateOptions, sub);
+                        Address.Country: not "US",
+                        TaxExempt: not StripeConstants.TaxExempt.Reverse
+                    })
+                {
+                    await _stripeAdapter.CustomerUpdateAsync(sub.CustomerId,
+                        new CustomerUpdateOptions { TaxExempt = StripeConstants.TaxExempt.Reverse });
+                }
+
+                subUpdateOptions.AutomaticTax = new SubscriptionAutomaticTaxOptions { Enabled = true };
             }
-            else
+            else if (sub.Customer.HasRecognizedTaxLocation())
             {
-                subUpdateOptions.EnableAutomaticTax(sub.Customer, sub);
+                switch (subscriber)
+                {
+                    case User:
+                        {
+                            subUpdateOptions.AutomaticTax = new SubscriptionAutomaticTaxOptions { Enabled = true };
+                            break;
+                        }
+                    case Organization:
+                        {
+                            if (sub.Customer.Address.Country == "US")
+                            {
+                                subUpdateOptions.AutomaticTax = new SubscriptionAutomaticTaxOptions { Enabled = true };
+                            }
+                            else
+                            {
+                                var familyPriceIds = (await Task.WhenAll(
+                                        _pricingClient.GetPlanOrThrow(PlanType.FamiliesAnnually2019),
+                                        _pricingClient.GetPlanOrThrow(PlanType.FamiliesAnnually)))
+                                    .Select(plan => plan.PasswordManager.StripePlanId);
+
+                                var updateIsForPersonalUse = updatedItemOptions
+                                    .Select(option => option.Price)
+                                    .Intersect(familyPriceIds)
+                                    .Any();
+
+                                subUpdateOptions.AutomaticTax = new SubscriptionAutomaticTaxOptions
+                                {
+                                    Enabled = updateIsForPersonalUse || sub.Customer.TaxIds.Any()
+                                };
+                            }
+
+                            break;
+                        }
+                    case Provider:
+                        {
+                            subUpdateOptions.AutomaticTax = new SubscriptionAutomaticTaxOptions
+                            {
+                                Enabled = sub.Customer.Address.Country == "US" ||
+                                          sub.Customer.TaxIds.Any()
+                            };
+                            break;
+                        }
+                }
             }
         }
 
@@ -202,7 +252,7 @@ public class StripePaymentService : IPaymentService
             }
             else if (!invoice.Paid)
             {
-                // Pay invoice with no charge to customer this completes the invoice immediately without waiting the scheduled 1h
+                // Pay invoice with no charge to the customer this completes the invoice immediately without waiting the scheduled 1h
                 invoice = await _stripeAdapter.InvoicePayAsync(subResponse.LatestInvoiceId);
                 paymentIntentClientSecret = null;
             }
@@ -585,309 +635,6 @@ public class StripePaymentService : IPaymentService
         }
     }
 
-    public async Task<bool> UpdatePaymentMethodAsync(ISubscriber subscriber, PaymentMethodType paymentMethodType,
-        string paymentToken, TaxInfo taxInfo = null)
-    {
-        if (subscriber == null)
-        {
-            throw new ArgumentNullException(nameof(subscriber));
-        }
-
-        if (subscriber.Gateway.HasValue && subscriber.Gateway.Value != GatewayType.Stripe)
-        {
-            throw new GatewayException("Switching from one payment type to another is not supported. " +
-                "Contact us for assistance.");
-        }
-
-        var createdCustomer = false;
-        Braintree.Customer braintreeCustomer = null;
-        string stipeCustomerSourceToken = null;
-        string stipeCustomerPaymentMethodId = null;
-        var stripeCustomerMetadata = new Dictionary<string, string>
-        {
-            { "region", _globalSettings.BaseServiceUri.CloudRegion }
-        };
-        var stripePaymentMethod = paymentMethodType is PaymentMethodType.Card or PaymentMethodType.BankAccount;
-
-        Customer customer = null;
-
-        if (!string.IsNullOrWhiteSpace(subscriber.GatewayCustomerId))
-        {
-            var options = new CustomerGetOptions { Expand = ["sources", "tax", "subscriptions"] };
-            customer = await _stripeAdapter.CustomerGetAsync(subscriber.GatewayCustomerId, options);
-            if (customer.Metadata?.Any() ?? false)
-            {
-                stripeCustomerMetadata = customer.Metadata;
-            }
-        }
-
-        var hadBtCustomer = stripeCustomerMetadata.ContainsKey("btCustomerId");
-        if (stripePaymentMethod)
-        {
-            if (paymentToken.StartsWith("pm_"))
-            {
-                stipeCustomerPaymentMethodId = paymentToken;
-            }
-            else
-            {
-                stipeCustomerSourceToken = paymentToken;
-            }
-        }
-        else if (paymentMethodType == PaymentMethodType.PayPal)
-        {
-            if (hadBtCustomer)
-            {
-                var pmResult = await _btGateway.PaymentMethod.CreateAsync(new Braintree.PaymentMethodRequest
-                {
-                    CustomerId = stripeCustomerMetadata["btCustomerId"],
-                    PaymentMethodNonce = paymentToken
-                });
-
-                if (pmResult.IsSuccess())
-                {
-                    var customerResult = await _btGateway.Customer.UpdateAsync(
-                        stripeCustomerMetadata["btCustomerId"], new Braintree.CustomerRequest
-                        {
-                            DefaultPaymentMethodToken = pmResult.Target.Token
-                        });
-
-                    if (customerResult.IsSuccess() && customerResult.Target.PaymentMethods.Length > 0)
-                    {
-                        braintreeCustomer = customerResult.Target;
-                    }
-                    else
-                    {
-                        await _btGateway.PaymentMethod.DeleteAsync(pmResult.Target.Token);
-                        hadBtCustomer = false;
-                    }
-                }
-                else
-                {
-                    hadBtCustomer = false;
-                }
-            }
-
-            if (!hadBtCustomer)
-            {
-                var customerResult = await _btGateway.Customer.CreateAsync(new Braintree.CustomerRequest
-                {
-                    PaymentMethodNonce = paymentToken,
-                    Email = subscriber.BillingEmailAddress(),
-                    Id = subscriber.BraintreeCustomerIdPrefix() + subscriber.Id.ToString("N").ToLower() +
-                        Utilities.CoreHelpers.RandomString(3, upper: false, numeric: false),
-                    CustomFields = new Dictionary<string, string>
-                    {
-                        [subscriber.BraintreeIdField()] = subscriber.Id.ToString(),
-                        [subscriber.BraintreeCloudRegionField()] = _globalSettings.BaseServiceUri.CloudRegion
-                    }
-                });
-
-                if (!customerResult.IsSuccess() || customerResult.Target.PaymentMethods.Length == 0)
-                {
-                    throw new GatewayException("Failed to create PayPal customer record.");
-                }
-
-                braintreeCustomer = customerResult.Target;
-            }
-        }
-        else
-        {
-            throw new GatewayException("Payment method is not supported at this time.");
-        }
-
-        if (stripeCustomerMetadata.ContainsKey("btCustomerId"))
-        {
-            if (braintreeCustomer?.Id != stripeCustomerMetadata["btCustomerId"])
-            {
-                stripeCustomerMetadata["btCustomerId_old"] = stripeCustomerMetadata["btCustomerId"];
-            }
-
-            stripeCustomerMetadata["btCustomerId"] = braintreeCustomer?.Id;
-        }
-        else if (!string.IsNullOrWhiteSpace(braintreeCustomer?.Id))
-        {
-            stripeCustomerMetadata.Add("btCustomerId", braintreeCustomer.Id);
-        }
-
-        try
-        {
-            if (!string.IsNullOrWhiteSpace(taxInfo.TaxIdNumber))
-            {
-                taxInfo.TaxIdType = taxInfo.TaxIdType ??
-                                    _taxService.GetStripeTaxCode(taxInfo.BillingAddressCountry, taxInfo.TaxIdNumber);
-            }
-
-            if (customer == null)
-            {
-                customer = await _stripeAdapter.CustomerCreateAsync(new CustomerCreateOptions
-                {
-                    Description = subscriber.BillingName(),
-                    Email = subscriber.BillingEmailAddress(),
-                    Metadata = stripeCustomerMetadata,
-                    Source = stipeCustomerSourceToken,
-                    PaymentMethod = stipeCustomerPaymentMethodId,
-                    InvoiceSettings = new CustomerInvoiceSettingsOptions
-                    {
-                        DefaultPaymentMethod = stipeCustomerPaymentMethodId,
-                        CustomFields =
-                        [
-                            new CustomerInvoiceSettingsCustomFieldOptions()
-                            {
-                                Name = subscriber.SubscriberType(),
-                                Value = subscriber.GetFormattedInvoiceName()
-                            }
-
-                        ]
-                    },
-                    Address = taxInfo == null ? null : new AddressOptions
-                    {
-                        Country = taxInfo.BillingAddressCountry,
-                        PostalCode = taxInfo.BillingAddressPostalCode,
-                        Line1 = taxInfo.BillingAddressLine1 ?? string.Empty,
-                        Line2 = taxInfo.BillingAddressLine2,
-                        City = taxInfo.BillingAddressCity,
-                        State = taxInfo.BillingAddressState
-                    },
-                    TaxIdData = string.IsNullOrWhiteSpace(taxInfo.TaxIdNumber)
-                    ? []
-                    : [
-                        new CustomerTaxIdDataOptions
-                        {
-                            Type = taxInfo.TaxIdType,
-                            Value = taxInfo.TaxIdNumber
-                        }
-                    ],
-                    Expand = ["sources", "tax", "subscriptions"],
-                });
-
-                subscriber.Gateway = GatewayType.Stripe;
-                subscriber.GatewayCustomerId = customer.Id;
-                createdCustomer = true;
-            }
-
-            if (!createdCustomer)
-            {
-                string defaultSourceId = null;
-                string defaultPaymentMethodId = null;
-                if (stripePaymentMethod)
-                {
-                    if (!string.IsNullOrWhiteSpace(stipeCustomerSourceToken) && paymentToken.StartsWith("btok_"))
-                    {
-                        var bankAccount = await _stripeAdapter.BankAccountCreateAsync(customer.Id, new BankAccountCreateOptions
-                        {
-                            Source = paymentToken
-                        });
-                        defaultSourceId = bankAccount.Id;
-                    }
-                    else if (!string.IsNullOrWhiteSpace(stipeCustomerPaymentMethodId))
-                    {
-                        await _stripeAdapter.PaymentMethodAttachAsync(stipeCustomerPaymentMethodId,
-                            new PaymentMethodAttachOptions { Customer = customer.Id });
-                        defaultPaymentMethodId = stipeCustomerPaymentMethodId;
-                    }
-                }
-
-                if (customer.Sources != null)
-                {
-                    foreach (var source in customer.Sources.Where(s => s.Id != defaultSourceId))
-                    {
-                        if (source is BankAccount)
-                        {
-                            await _stripeAdapter.BankAccountDeleteAsync(customer.Id, source.Id);
-                        }
-                        else if (source is Card)
-                        {
-                            await _stripeAdapter.CardDeleteAsync(customer.Id, source.Id);
-                        }
-                    }
-                }
-
-                var cardPaymentMethods = _stripeAdapter.PaymentMethodListAutoPaging(new PaymentMethodListOptions
-                {
-                    Customer = customer.Id,
-                    Type = "card"
-                });
-                foreach (var cardMethod in cardPaymentMethods.Where(m => m.Id != defaultPaymentMethodId))
-                {
-                    await _stripeAdapter.PaymentMethodDetachAsync(cardMethod.Id, new PaymentMethodDetachOptions());
-                }
-
-                await _subscriberService.UpdateTaxInformation(subscriber, TaxInformation.From(taxInfo));
-
-                customer = await _stripeAdapter.CustomerUpdateAsync(customer.Id, new CustomerUpdateOptions
-                {
-                    Metadata = stripeCustomerMetadata,
-                    DefaultSource = defaultSourceId,
-                    InvoiceSettings = new CustomerInvoiceSettingsOptions
-                    {
-                        DefaultPaymentMethod = defaultPaymentMethodId,
-                        CustomFields =
-                        [
-                            new CustomerInvoiceSettingsCustomFieldOptions()
-                            {
-                                Name = subscriber.SubscriberType(),
-                                Value = subscriber.GetFormattedInvoiceName()
-                            }
-                        ]
-                    },
-                    Expand = ["tax", "subscriptions"]
-                });
-            }
-
-            if (_featureService.IsEnabled(FeatureFlagKeys.PM19147_AutomaticTaxImprovements))
-            {
-                if (!string.IsNullOrEmpty(subscriber.GatewaySubscriptionId))
-                {
-                    var subscriptionGetOptions = new SubscriptionGetOptions
-                    {
-                        Expand = ["customer.tax", "customer.tax_ids"]
-                    };
-                    var subscription = await _stripeAdapter.SubscriptionGetAsync(subscriber.GatewaySubscriptionId, subscriptionGetOptions);
-
-                    var automaticTaxParameters = new AutomaticTaxFactoryParameters(subscriber, subscription.Items.Select(x => x.Price.Id));
-                    var automaticTaxStrategy = await _automaticTaxFactory.CreateAsync(automaticTaxParameters);
-                    var subscriptionUpdateOptions = automaticTaxStrategy.GetUpdateOptions(subscription);
-
-                    if (subscriptionUpdateOptions != null)
-                    {
-                        _ = await _stripeAdapter.SubscriptionUpdateAsync(
-                            subscriber.GatewaySubscriptionId,
-                            subscriptionUpdateOptions);
-                    }
-                }
-            }
-            else
-            {
-                if (!string.IsNullOrEmpty(subscriber.GatewaySubscriptionId) &&
-                    customer.Subscriptions.Any(sub =>
-                        sub.Id == subscriber.GatewaySubscriptionId &&
-                        !sub.AutomaticTax.Enabled) &&
-                    customer.HasTaxLocationVerified())
-                {
-                    var subscriptionUpdateOptions = new SubscriptionUpdateOptions
-                    {
-                        AutomaticTax = new SubscriptionAutomaticTaxOptions { Enabled = true },
-                        DefaultTaxRates = []
-                    };
-
-                    _ = await _stripeAdapter.SubscriptionUpdateAsync(
-                        subscriber.GatewaySubscriptionId,
-                        subscriptionUpdateOptions);
-                }
-            }
-        }
-        catch
-        {
-            if (braintreeCustomer != null && !hadBtCustomer)
-            {
-                await _btGateway.Customer.DeleteAsync(braintreeCustomer.Id);
-            }
-            throw;
-        }
-
-        return createdCustomer;
-    }
-
     public async Task<bool> CreditAccountAsync(ISubscriber subscriber, decimal creditAmount)
     {
         Customer customer = null;
@@ -1018,7 +765,7 @@ public class StripePaymentService : IPaymentService
         var address = customer.Address;
         var taxId = customer.TaxIds?.FirstOrDefault();
 
-        // Line1 is required, so if missing we're using the subscriber name
+        // Line1 is required, so if missing we're using the subscriber name,
         // see: https://stripe.com/docs/api/customers/create#create_customer-address-line1
         if (address != null && string.IsNullOrWhiteSpace(address.Line1))
         {

test/Core.Test/Billing/Services/SubscriberServiceTests.cs

@@ -3,14 +3,11 @@ using Bit.Core.AdminConsole.Entities.Provider;
 using Bit.Core.Billing.Caches;
 using Bit.Core.Billing.Constants;
 using Bit.Core.Billing.Models;
-using Bit.Core.Billing.Services.Contracts;
 using Bit.Core.Billing.Services.Implementations;
 using Bit.Core.Billing.Tax.Models;
-using Bit.Core.Billing.Tax.Services;
 using Bit.Core.Enums;
 using Bit.Core.Services;
 using Bit.Core.Settings;
-using Bit.Core.Test.Billing.Tax.Services;
 using Bit.Test.Common.AutoFixture;
 using Bit.Test.Common.AutoFixture.Attributes;
 using Braintree;
@@ -195,7 +192,7 @@ public class SubscriberServiceTests
 
         await stripeAdapter
             .DidNotReceiveWithAnyArgs()
-            .SubscriptionCancelAsync(Arg.Any<string>(), Arg.Any<SubscriptionCancelOptions>()); ;
+            .SubscriptionCancelAsync(Arg.Any<string>(), Arg.Any<SubscriptionCancelOptions>());
     }
 
     #endregion
@@ -1029,7 +1026,7 @@ public class SubscriberServiceTests
 
         stripeAdapter
             .PaymentMethodListAutoPagingAsync(Arg.Any<PaymentMethodListOptions>())
-            .Returns(GetPaymentMethodsAsync(new List<Stripe.PaymentMethod>()));
+            .Returns(GetPaymentMethodsAsync(new List<PaymentMethod>()));
 
         await sutProvider.Sut.RemovePaymentSource(organization);
 
@@ -1061,7 +1058,7 @@ public class SubscriberServiceTests
 
         stripeAdapter
             .PaymentMethodListAutoPagingAsync(Arg.Any<PaymentMethodListOptions>())
-            .Returns(GetPaymentMethodsAsync(new List<Stripe.PaymentMethod>
+            .Returns(GetPaymentMethodsAsync(new List<PaymentMethod>
             {
                 new ()
                 {
@@ -1086,8 +1083,8 @@ public class SubscriberServiceTests
             .PaymentMethodDetachAsync(cardId);
     }
 
-    private static async IAsyncEnumerable<Stripe.PaymentMethod> GetPaymentMethodsAsync(
+    private static async IAsyncEnumerable<PaymentMethod> GetPaymentMethodsAsync(
-        IEnumerable<Stripe.PaymentMethod> paymentMethods)
+        IEnumerable<PaymentMethod> paymentMethods)
     {
         foreach (var paymentMethod in paymentMethods)
         {
@@ -1598,14 +1595,22 @@ public class SubscriberServiceTests
                     City = "Example Town",
                     State = "NY"
                 },
-                TaxIds = new StripeList<TaxId> { Data = [new TaxId { Id = "tax_id_1", Type = "us_ein" }] }
+                TaxIds = new StripeList<TaxId> { Data = [new TaxId { Id = "tax_id_1", Type = "us_ein" }] },
+                Subscriptions = new StripeList<Subscription>
+                {
+                    Data = [
+                        new Subscription
+                        {
+                            Id = provider.GatewaySubscriptionId,
+                            AutomaticTax = new SubscriptionAutomaticTax { Enabled = false }
+                        }
+                    ]
+                }
             });
 
         var subscription = new Subscription { Items = new StripeList<SubscriptionItem>() };
         sutProvider.GetDependency<IStripeAdapter>().SubscriptionGetAsync(Arg.Any<string>())
             .Returns(subscription);
-        sutProvider.GetDependency<IAutomaticTaxFactory>().CreateAsync(Arg.Any<AutomaticTaxFactoryParameters>())
-            .Returns(new FakeAutomaticTaxStrategy(true));
 
         await sutProvider.Sut.UpdateTaxInformation(provider, taxInformation);
 
@@ -1623,6 +1628,98 @@ public class SubscriberServiceTests
         await stripeAdapter.Received(1).TaxIdCreateAsync(provider.GatewayCustomerId, Arg.Is<TaxIdCreateOptions>(
             options => options.Type == "us_ein" &&
                        options.Value == taxInformation.TaxId));
+
+        await stripeAdapter.Received(1).SubscriptionUpdateAsync(provider.GatewaySubscriptionId,
+            Arg.Is<SubscriptionUpdateOptions>(options => options.AutomaticTax.Enabled == true));
+    }
+
+    [Theory, BitAutoData]
+    public async Task UpdateTaxInformation_NonUser_ReverseCharge_MakesCorrectInvocations(
+        Provider provider,
+        SutProvider<SubscriberService> sutProvider)
+    {
+        var stripeAdapter = sutProvider.GetDependency<IStripeAdapter>();
+
+        var customer = new Customer { Id = provider.GatewayCustomerId, TaxIds = new StripeList<TaxId> { Data = [new TaxId { Id = "tax_id_1", Type = "us_ein" }] } };
+
+        stripeAdapter.CustomerGetAsync(provider.GatewayCustomerId, Arg.Is<CustomerGetOptions>(
+            options => options.Expand.Contains("tax_ids"))).Returns(customer);
+
+        var taxInformation = new TaxInformation(
+            "CA",
+            "12345",
+            "123456789",
+            "us_ein",
+            "123 Example St.",
+            null,
+            "Example Town",
+            "NY");
+
+        sutProvider.GetDependency<IStripeAdapter>()
+            .CustomerUpdateAsync(
+                Arg.Is<string>(p => p == provider.GatewayCustomerId),
+                Arg.Is<CustomerUpdateOptions>(options =>
+                    options.Address.Country == "CA" &&
+                    options.Address.PostalCode == "12345" &&
+                    options.Address.Line1 == "123 Example St." &&
+                    options.Address.Line2 == null &&
+                    options.Address.City == "Example Town" &&
+                    options.Address.State == "NY"))
+            .Returns(new Customer
+            {
+                Id = provider.GatewayCustomerId,
+                Address = new Address
+                {
+                    Country = "CA",
+                    PostalCode = "12345",
+                    Line1 = "123 Example St.",
+                    Line2 = null,
+                    City = "Example Town",
+                    State = "NY"
+                },
+                TaxIds = new StripeList<TaxId> { Data = [new TaxId { Id = "tax_id_1", Type = "us_ein" }] },
+                Subscriptions = new StripeList<Subscription>
+                {
+                    Data = [
+                        new Subscription
+                        {
+                            Id = provider.GatewaySubscriptionId,
+                            CustomerId = provider.GatewayCustomerId,
+                            AutomaticTax = new SubscriptionAutomaticTax { Enabled = false }
+                        }
+                    ]
+                }
+            });
+
+        var subscription = new Subscription { Items = new StripeList<SubscriptionItem>() };
+        sutProvider.GetDependency<IStripeAdapter>().SubscriptionGetAsync(Arg.Any<string>())
+            .Returns(subscription);
+
+        sutProvider.GetDependency<IFeatureService>()
+            .IsEnabled(FeatureFlagKeys.PM21092_SetNonUSBusinessUseToReverseCharge).Returns(true);
+
+        await sutProvider.Sut.UpdateTaxInformation(provider, taxInformation);
+
+        await stripeAdapter.Received(1).CustomerUpdateAsync(provider.GatewayCustomerId, Arg.Is<CustomerUpdateOptions>(
+            options =>
+                options.Address.Country == taxInformation.Country &&
+                options.Address.PostalCode == taxInformation.PostalCode &&
+                options.Address.Line1 == taxInformation.Line1 &&
+                options.Address.Line2 == taxInformation.Line2 &&
+                options.Address.City == taxInformation.City &&
+                options.Address.State == taxInformation.State));
+
+        await stripeAdapter.Received(1).TaxIdDeleteAsync(provider.GatewayCustomerId, "tax_id_1");
+
+        await stripeAdapter.Received(1).TaxIdCreateAsync(provider.GatewayCustomerId, Arg.Is<TaxIdCreateOptions>(
+            options => options.Type == "us_ein" &&
+                       options.Value == taxInformation.TaxId));
+
+        await stripeAdapter.Received(1).CustomerUpdateAsync(provider.GatewayCustomerId,
+            Arg.Is<CustomerUpdateOptions>(options => options.TaxExempt == StripeConstants.TaxExempt.Reverse));
+
+        await stripeAdapter.Received(1).SubscriptionUpdateAsync(provider.GatewaySubscriptionId,
+            Arg.Is<SubscriptionUpdateOptions>(options => options.AutomaticTax.Enabled == true));
     }
 
     #endregion