diff --git a/specification/consumption/resource-manager/Microsoft.Consumption/stable/2021-10-01/consumption.json b/specification/consumption/resource-manager/Microsoft.Consumption/stable/2021-10-01/consumption.json
index a4fdc3bcf6e1..5e0cf981b646 100644
--- a/specification/consumption/resource-manager/Microsoft.Consumption/stable/2021-10-01/consumption.json
+++ b/specification/consumption/resource-manager/Microsoft.Consumption/stable/2021-10-01/consumption.json
@@ -3391,6 +3391,8 @@
     },
     "LegacyReservationRecommendationProperties": {
       "description": "The properties of the reservation recommendation.",
+      "type": "object",
+      "discriminator": "scope",
       "properties": {
         "lookBackPeriod": {
           "description": "The number of days of usage to look back for recommendation.",
@@ -3465,8 +3467,7 @@
         },
         "scope": {
           "description": "Shared or single recommendation.",
-          "type": "string",
-          "readOnly": true
+          "type": "string"
         },
         "skuProperties": {
           "description": "List of sku properties",
@@ -3476,7 +3477,38 @@
           },
           "readOnly": true
         }
-      }
+      },
+      "required": [
+        "scope"
+      ]
+    },
+    "LegacySingleScopeReservationRecommendationProperties": {
+      "description": "The properties of the legacy reservation recommendation for single scope.",
+      "type": "object",
+      "x-ms-discriminator-value": "Single",
+      "properties": {
+        "subscriptionId": {
+          "description": "Subscription id associated with single scoped recommendation.",
+          "type": "string",
+          "format": "uuid",
+          "readOnly": true
+        }
+      },
+      "allOf": [
+        {
+          "$ref": "#/definitions/LegacyReservationRecommendationProperties"
+        }
+      ]
+    },
+    "LegacySharedScopeReservationRecommendationProperties": {
+      "description": "The properties of the legacy reservation recommendation for shared scope.",
+      "type": "object",
+      "x-ms-discriminator-value": "Shared",
+      "allOf": [
+        {
+          "$ref": "#/definitions/LegacyReservationRecommendationProperties"
+        }
+      ]
     },
     "SkuProperty": {
       "description": "The Sku property",
diff --git a/specification/consumption/resource-manager/Microsoft.Consumption/stable/2021-10-01/examples/ReservationRecommendationsByResourceGroup.json b/specification/consumption/resource-manager/Microsoft.Consumption/stable/2021-10-01/examples/ReservationRecommendationsByResourceGroup.json
index b8bffa6f6599..1a1c1fb6979e 100644
--- a/specification/consumption/resource-manager/Microsoft.Consumption/stable/2021-10-01/examples/ReservationRecommendationsByResourceGroup.json
+++ b/specification/consumption/resource-manager/Microsoft.Consumption/stable/2021-10-01/examples/ReservationRecommendationsByResourceGroup.json
@@ -23,7 +23,8 @@
               "totalCostWithReservedInstances": 0.0,
               "netSavings": 4.634521202630137,
               "firstUsageDate": "2018-03-06T00:00:00Z",
-              "scope": "Single"
+              "scope": "Single",
+              "subscriptionId": "00000000-0000-0000-0000-000000000000"
             }
           },
           {
@@ -42,7 +43,8 @@
               "totalCostWithReservedInstances": 0.0,
               "netSavings": 7.2893157231780812,
               "firstUsageDate": "2018-03-06T00:00:00Z",
-              "scope": "Single"
+              "scope": "Single",
+              "subscriptionId": "00000000-0000-0000-0000-000000000000"
             }
           }
         ],
diff --git a/specification/consumption/resource-manager/Microsoft.Consumption/stable/2021-10-01/examples/ReservationRecommendationsBySubscription.json b/specification/consumption/resource-manager/Microsoft.Consumption/stable/2021-10-01/examples/ReservationRecommendationsBySubscription.json
index 36621416fe9a..eb4ec8490475 100644
--- a/specification/consumption/resource-manager/Microsoft.Consumption/stable/2021-10-01/examples/ReservationRecommendationsBySubscription.json
+++ b/specification/consumption/resource-manager/Microsoft.Consumption/stable/2021-10-01/examples/ReservationRecommendationsBySubscription.json
@@ -23,7 +23,8 @@
               "totalCostWithReservedInstances": 0.0,
               "netSavings": 4.634521202630137,
               "firstUsageDate": "2018-03-06T00:00:00Z",
-              "scope": "Single"
+              "scope": "Single",
+              "subscriptionId": "00000000-0000-0000-0000-000000000000"
             }
           },
           {
@@ -42,7 +43,8 @@
               "totalCostWithReservedInstances": 0.0,
               "netSavings": 7.2893157231780812,
               "firstUsageDate": "2018-03-06T00:00:00Z",
-              "scope": "Single"
+              "scope": "Single",
+              "subscriptionId": "00000000-0000-0000-0000-000000000000"
             }
           }
         ],
diff --git a/specification/consumption/resource-manager/Microsoft.Consumption/stable/2021-10-01/examples/ReservationRecommendationsFilterBySubscriptionForScopeLookBackPeriod.json b/specification/consumption/resource-manager/Microsoft.Consumption/stable/2021-10-01/examples/ReservationRecommendationsFilterBySubscriptionForScopeLookBackPeriod.json
index 4c24a92af6a3..bbca5db6fd42 100644
--- a/specification/consumption/resource-manager/Microsoft.Consumption/stable/2021-10-01/examples/ReservationRecommendationsFilterBySubscriptionForScopeLookBackPeriod.json
+++ b/specification/consumption/resource-manager/Microsoft.Consumption/stable/2021-10-01/examples/ReservationRecommendationsFilterBySubscriptionForScopeLookBackPeriod.json
@@ -34,7 +34,8 @@
                   "name": "Ram",
                   "value": "1"
                 }
-              ]
+              ],
+              "subscriptionId": "00000000-0000-0000-0000-000000000000"
             }
           },
           {
@@ -63,7 +64,8 @@
                   "name": "CPU",
                   "value": "1"
                 }
-              ]
+              ],
+              "subscriptionId": "00000000-0000-0000-0000-000000000000"
             }
           }
         ],