diff --git a/infra/apim_v2/api/ms_external_api/v2/openapi.dev.json b/infra/apim_v2/api/ms_external_api/v2/openapi.dev.json
index 36ba251c..b7b1a911 100644
--- a/infra/apim_v2/api/ms_external_api/v2/openapi.dev.json
+++ b/infra/apim_v2/api/ms_external_api/v2/openapi.dev.json
@@ -222,6 +222,16 @@
             "schema": {
               "type": "string"
             }
+          },
+          {
+            "name": "productId",
+            "in": "query",
+            "description": "productId",
+            "required": false,
+            "style": "form",
+            "schema": {
+              "type": "string"
+            }
           }
         ],
         "responses": {
diff --git a/infra/apim_v2/api/ms_external_api/v2/openapi.prod.json b/infra/apim_v2/api/ms_external_api/v2/openapi.prod.json
index d2c63eed..0ac67fd6 100644
--- a/infra/apim_v2/api/ms_external_api/v2/openapi.prod.json
+++ b/infra/apim_v2/api/ms_external_api/v2/openapi.prod.json
@@ -222,6 +222,16 @@
             "schema": {
               "type": "string"
             }
+          },
+          {
+            "name": "productId",
+            "in": "query",
+            "description": "productId",
+            "required": false,
+            "style": "form",
+            "schema": {
+              "type": "string"
+            }
           }
         ],
         "responses": {
diff --git a/infra/apim_v2/api/ms_external_api/v2/openapi.uat.json b/infra/apim_v2/api/ms_external_api/v2/openapi.uat.json
index d2c63eed..0ac67fd6 100644
--- a/infra/apim_v2/api/ms_external_api/v2/openapi.uat.json
+++ b/infra/apim_v2/api/ms_external_api/v2/openapi.uat.json
@@ -222,6 +222,16 @@
             "schema": {
               "type": "string"
             }
+          },
+          {
+            "name": "productId",
+            "in": "query",
+            "description": "productId",
+            "required": false,
+            "style": "form",
+            "schema": {
+              "type": "string"
+            }
           }
         ],
         "responses": {
diff --git a/infra/apim_v2/apim.tf b/infra/apim_v2/apim.tf
index 16fb8fe6..eadd7b18 100644
--- a/infra/apim_v2/apim.tf
+++ b/infra/apim_v2/apim.tf
@@ -378,7 +378,7 @@ module "apim_external_api_ms_v2" {
     },
     {
       operation_id = "getInstitutionsUsingGET"
-      xml_content = templatefile("./api/base_ms_url_external_policy.xml.tpl", {
+      xml_content = templatefile("./api/base_ms_url_external_product_policy.xml.tpl", {
         MS_BACKEND_URL         = "https://selc-${var.env_short}-ms-core-ca.${var.ca_suffix_dns_private_name}/"
         TENANT_ID              = data.azurerm_client_config.current.tenant_id
         EXTERNAL-OAUTH2-ISSUER = data.azurerm_key_vault_secret.external-oauth2-issuer.value