diff --git a/cloudplatform/cloudplatform-connectivity/src/main/java/com/sap/cloud/sdk/cloudplatform/connectivity/BtpServiceOptions.java b/cloudplatform/cloudplatform-connectivity/src/main/java/com/sap/cloud/sdk/cloudplatform/connectivity/BtpServiceOptions.java
index 3d06f4cc5..daf6edf89 100644
--- a/cloudplatform/cloudplatform-connectivity/src/main/java/com/sap/cloud/sdk/cloudplatform/connectivity/BtpServiceOptions.java
+++ b/cloudplatform/cloudplatform-connectivity/src/main/java/com/sap/cloud/sdk/cloudplatform/connectivity/BtpServiceOptions.java
@@ -211,21 +211,73 @@ public static OptionsEnhancer<?> withoutTokenForTechnicalProviderUser()
         }
 
         /**
-         * Creates an {@link OptionsEnhancer} that instructs an IAS-based destination to use the given application
-         * provider name when performing token retrievals. This is needed in <b>App-To-App</b> communication scenarios.
+         * Creates an {@link OptionsEnhancer} that instructs an IAS-based destination to use the given "Dependency Name"
+         * when performing token retrievals. This is needed in <b>App-To-App</b> communication scenarios.
          * <p>
          * <b>Hint:</b> This option is <b>mutually exclusive</b> with {@link #withConsumerClient(String)}.
          *
          * @param applicationName
-         *            The name of the application provider to be used. This is the name that was used to register the
-         *            to-be-called application within the IAS tenant.
+         *            The name of the "Dependency Name" to be used. This is the name that was used to register the
+         *            dependency to an API of a provider application within the IAS tenant.
          * @return An instance of {@link OptionsEnhancer} that will lead to the given application provider being used
          *         when retrieving an authentication token from the IAS service.
+         *
+         * @see <a href=
+         *      "https://help.sap.com/docs/cloud-identity-services/cloud-identity-services/consume-apis-from-other-applications?locale=en-US">Consuming
+         *      APIs from Other Applications</a>
          */
         @Nonnull
         public static OptionsEnhancer<?> withApplicationName( @Nonnull final String applicationName )
         {
-            return new IasCommunicationOptions(applicationName, null, null);
+            return new IasCommunicationOptions(applicationName, null, null, null, null);
+        }
+
+        /**
+         * Creates an {@link OptionsEnhancer} that instructs an IAS-based destination to use the given provider client
+         * ID when performing token retrievals. This is needed in <b>App-To-App</b> communication scenarios.
+         * <p>
+         * <b>Hint:</b> This option is <b>mutually exclusive</b> with {@link #withConsumerClient(String)}.
+         *
+         * @param providerClientId
+         *            Client ID of the provider application
+         * @return An instance of {@link OptionsEnhancer} that will lead to the given application provider being used
+         *         when retrieving an authentication token from the IAS service.
+         *
+         * @see <a href=
+         *      "https://help.sap.com/docs/cloud-identity-services/cloud-identity-services/consume-apis-from-other-applications?locale=en-US">Consuming
+         *      APIs from Other Applications</a>
+         */
+        @Nonnull
+        public static OptionsEnhancer<?> withProviderClient( @Nonnull final String providerClientId )
+        {
+            return new IasCommunicationOptions(null, providerClientId, null, null, null);
+        }
+
+        /**
+         * Creates an {@link OptionsEnhancer} that instructs an IAS-based destination to use the given provider client
+         * ID and provider tenant ID when performing token retrievals. This is needed in <b>App-To-App</b> communication
+         * scenarios when having dependencies to <i>different tenants</i> of the <i>same, multi-tenant</i> provider
+         * application (fan-out / 1-N).
+         * <p>
+         * <b>Hint:</b> This option is <b>mutually exclusive</b> with {@link #withConsumerClient(String)}
+         *
+         * @param providerClientId
+         *            Client ID of the provider application
+         * @param providerTenantId
+         *            Tenant ID of the provider application
+         * @return An instance of {@link OptionsEnhancer} that will lead to the given application provider being used
+         *         when retrieving an authentication token from the IAS service.
+         *
+         * @see <a href=
+         *      "https://help.sap.com/docs/cloud-identity-services/cloud-identity-services/consume-apis-from-other-applications?locale=en-US">Consuming
+         *      APIs from Other Applications</a>
+         */
+        @Nonnull
+        public static
+            OptionsEnhancer<?>
+            withProviderClient( @Nonnull final String providerClientId, @Nonnull final String providerTenantId )
+        {
+            return new IasCommunicationOptions(null, providerClientId, providerTenantId, null, null);
         }
 
         /**
@@ -243,7 +295,7 @@ public static OptionsEnhancer<?> withApplicationName( @Nonnull final String appl
         @Nonnull
         public static OptionsEnhancer<?> withConsumerClient( @Nonnull final String consumerClientId )
         {
-            return new IasCommunicationOptions(null, consumerClientId, null);
+            return new IasCommunicationOptions(null, null, null, consumerClientId, null);
         }
 
         /**
@@ -269,7 +321,7 @@ public static OptionsEnhancer<?> withConsumerClient( @Nonnull final String consu
             OptionsEnhancer<?>
             withConsumerClient( @Nonnull final String consumerClientId, @Nonnull final String consumerTenantId )
         {
-            return new IasCommunicationOptions(null, consumerClientId, consumerTenantId);
+            return new IasCommunicationOptions(null, null, null, consumerClientId, consumerTenantId);
         }
 
         /**
@@ -315,6 +367,10 @@ public static class IasCommunicationOptions implements OptionsEnhancer<IasCommun
             @Nullable
             String applicationName;
             @Nullable
+            String providerClientId;
+            @Nullable
+            String providerTenantId;
+            @Nullable
             String consumerClientId;
             @Nullable
             String consumerTenantId;
diff --git a/cloudplatform/connectivity-oauth/src/main/java/com/sap/cloud/sdk/cloudplatform/connectivity/BtpServicePropertySuppliers.java b/cloudplatform/connectivity-oauth/src/main/java/com/sap/cloud/sdk/cloudplatform/connectivity/BtpServicePropertySuppliers.java
index f99577a2b..2833be740 100644
--- a/cloudplatform/connectivity-oauth/src/main/java/com/sap/cloud/sdk/cloudplatform/connectivity/BtpServicePropertySuppliers.java
+++ b/cloudplatform/connectivity-oauth/src/main/java/com/sap/cloud/sdk/cloudplatform/connectivity/BtpServicePropertySuppliers.java
@@ -210,6 +210,15 @@ private void attachIasCommunicationOptions( @Nonnull final OAuth2Options.Builder
                 return;
             }
 
+            if( o.getProviderClientId() != null ) {
+                String resource = "urn:sap:identity:application:provider:clientid:" + o.getProviderClientId();
+                if( o.getProviderTenantId() != null ) {
+                    resource += ":apptid:" + o.getProviderTenantId();
+                }
+                optionsBuilder.withTokenRetrievalParameter("resource", resource);
+                return;
+            }
+
             if( o.getConsumerClientId() != null ) {
                 String value = "urn:sap:identity:consumer:clientid:" + o.getConsumerClientId();
                 if( o.getConsumerTenantId() != null ) {
diff --git a/cloudplatform/connectivity-oauth/src/test/java/com/sap/cloud/sdk/cloudplatform/connectivity/BtpServicePropertySuppliersTest.java b/cloudplatform/connectivity-oauth/src/test/java/com/sap/cloud/sdk/cloudplatform/connectivity/BtpServicePropertySuppliersTest.java
index 56305e89c..b86fde18b 100644
--- a/cloudplatform/connectivity-oauth/src/test/java/com/sap/cloud/sdk/cloudplatform/connectivity/BtpServicePropertySuppliersTest.java
+++ b/cloudplatform/connectivity-oauth/src/test/java/com/sap/cloud/sdk/cloudplatform/connectivity/BtpServicePropertySuppliersTest.java
@@ -589,6 +589,66 @@ void testClientIdWithTenantId()
                             PROVIDER_TENANT_ID));
         }
 
+        @Test
+        void testProviderClientId()
+        {
+            @SuppressWarnings( "deprecation" )
+            final ServiceBindingDestinationOptions options =
+                ServiceBindingDestinationOptions
+                    .forService(BINDING)
+                    .withOption(IasOptions.withProviderClient("provider-client-id"))
+                    .build();
+
+            final OAuth2PropertySupplier sut = IDENTITY_AUTHENTICATION.resolve(options);
+
+            assertThat(sut).isNotNull();
+            assertThat(sut.getTokenUri()).hasToString(PROVIDER_URL + "/oauth2/token");
+            assertThat(sut.getServiceUri()).hasToString(PROVIDER_URL);
+
+            final OAuth2Options oAuth2Options = sut.getOAuth2Options();
+            assertThat(oAuth2Options.skipTokenRetrieval()).isFalse();
+            assertThat(oAuth2Options.getClientKeyStore()).isNotNull();
+            assertThatClientCertificateIsContained(oAuth2Options.getClientKeyStore());
+            assertThat(oAuth2Options.getAdditionalTokenRetrievalParameters())
+                .containsExactlyInAnyOrderEntriesOf(
+                    Map
+                        .of(
+                            "resource",
+                            "urn:sap:identity:application:provider:clientid:provider-client-id",
+                            "app_tid",
+                            PROVIDER_TENANT_ID));
+        }
+
+        @Test
+        void testProviderClientIdWithTenantId()
+        {
+            @SuppressWarnings( "deprecation" )
+            final ServiceBindingDestinationOptions options =
+                ServiceBindingDestinationOptions
+                    .forService(BINDING)
+                    .withOption(IasOptions.withProviderClient("provider-client-id", "provider-tenant-id"))
+                    .build();
+
+            final OAuth2PropertySupplier sut = IDENTITY_AUTHENTICATION.resolve(options);
+
+            assertThat(sut).isNotNull();
+            assertThat(sut.getTokenUri()).hasToString(PROVIDER_URL + "/oauth2/token");
+            assertThat(sut.getServiceUri()).hasToString(PROVIDER_URL);
+
+            final OAuth2Options oAuth2Options = sut.getOAuth2Options();
+            assertThat(oAuth2Options.skipTokenRetrieval()).isFalse();
+            assertThat(oAuth2Options.getClientKeyStore()).isNotNull();
+            assertThatClientCertificateIsContained(oAuth2Options.getClientKeyStore());
+            assertThat(oAuth2Options.getAdditionalTokenRetrievalParameters())
+                .containsExactlyInAnyOrderEntriesOf(
+                    Map
+                        .of(
+                            "resource",
+                            "urn:sap:identity:application:provider:clientid:provider-client-id:apptid:provider-tenant-id",
+                            "app_tid",
+                            PROVIDER_TENANT_ID));
+        }
+
         @AllArgsConstructor
         private enum MutualTlsForTechnicalProviderAuthenticationTest
         {