diff --git a/specification/subscription/resource-manager/Microsoft.Subscription/stable/2016-06-01/subscriptions.json b/specification/subscription/resource-manager/Microsoft.Subscription/stable/2016-06-01/subscriptions.json
index f097d27dcd3c..451409ec13b0 100644
--- a/specification/subscription/resource-manager/Microsoft.Subscription/stable/2016-06-01/subscriptions.json
+++ b/specification/subscription/resource-manager/Microsoft.Subscription/stable/2016-06-01/subscriptions.json
@@ -240,6 +240,18 @@
             "modelAsString": false
           }
         },
+        "tenantId": {
+          "readOnly": true,
+          "type": "string",
+          "description": "The tenant ID. For example, 00000000-0000-0000-0000-000000000000."
+        },
+        "tags": {
+          "description": "Tags for the subscription",
+          "type": "object",
+          "additionalProperties": {
+            "type": "string"
+          }
+        },
         "subscriptionPolicies": {
           "$ref": "#/definitions/SubscriptionPolicies",
           "description": "The subscription policies."