diff --git a/specification/common-types/resource-management/v4/customermanagedkeys.json b/specification/common-types/resource-management/v4/customermanagedkeys.json
index a9be420dcaad..d403a8e2c035 100644
--- a/specification/common-types/resource-management/v4/customermanagedkeys.json
+++ b/specification/common-types/resource-management/v4/customermanagedkeys.json
@@ -51,6 +51,7 @@
             },
             "userAssignedIdentityResourceId": {
               "type": "string",
+              "format": "arm-id",
               "description": "user assigned identity to use for accessing key encryption key Url. Ex: /subscriptions/fa5fc227-a624-475e-b696-cdd604c735bc/resourceGroups/<resource group>/providers/Microsoft.ManagedIdentity/userAssignedIdentities/myId. Mutually exclusive with identityType systemAssignedIdentity and delegatedResourceIdentity."
             },
             "delegatedIdentityClientId": {
diff --git a/specification/common-types/resource-management/v4/types.json b/specification/common-types/resource-management/v4/types.json
index 158f9cea8196..4cc37c07aea0 100644
--- a/specification/common-types/resource-management/v4/types.json
+++ b/specification/common-types/resource-management/v4/types.json
@@ -14,6 +14,7 @@
         "id": {
           "readOnly": true,
           "type": "string",
+          "format": "arm-id",
           "description": "Fully qualified resource ID for the resource. E.g. \"/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/{resourceProviderNamespace}/{resourceType}/{resourceName}\""
         },
         "name": {
diff --git a/specification/common-types/resource-management/v5/types.json b/specification/common-types/resource-management/v5/types.json
index 547145643bcf..7e2d589aee54 100644
--- a/specification/common-types/resource-management/v5/types.json
+++ b/specification/common-types/resource-management/v5/types.json
@@ -14,6 +14,7 @@
         "id": {
           "readOnly": true,
           "type": "string",
+          "format": "arm-id",
           "description": "Fully qualified resource ID for the resource. E.g. \"/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/{resourceProviderNamespace}/{resourceType}/{resourceName}\""
         },
         "name": {
@@ -427,11 +428,13 @@
       "properties": {
         "id": {
           "description": "Fully qualified ID for the async operation.",
-          "type": "string"
+          "type": "string",
+          "format": "arm-id"
         },
         "resourceId": {
           "description": "Fully qualified ID of the resource against which the original async operation was started.",
           "type": "string",
+          "format": "arm-id",
           "readOnly": true
         },
         "name": {