diff --git a/specification/cost-management/resource-manager/Microsoft.CostManagement/preview/2023-04-01-preview/costmanagement.generatedetailedcostreport.json b/specification/cost-management/resource-manager/Microsoft.CostManagement/preview/2023-04-01-preview/costmanagement.generatedetailedcostreport.json
index de998041c8e3..2edfbe7ebca7 100644
--- a/specification/cost-management/resource-manager/Microsoft.CostManagement/preview/2023-04-01-preview/costmanagement.generatedetailedcostreport.json
+++ b/specification/cost-management/resource-manager/Microsoft.CostManagement/preview/2023-04-01-preview/costmanagement.generatedetailedcostreport.json
@@ -286,6 +286,14 @@
           "description": "The status of the long running operation.",
           "$ref": "#/definitions/Status"
         },
+        "startTime": {
+          "description": "The startTime of the operation.",
+          "type": "string"
+        },
+        "endTime": {
+          "description": "The endTime of the operation.",
+          "type": "string"
+        },
         "type": {
           "description": "The type of the long running operation.",
           "type": "string"
diff --git a/specification/cost-management/resource-manager/Microsoft.CostManagement/preview/2023-04-01-preview/examples/GenerateDetailedCostReportOperationStatusBySubscriptionScope.json b/specification/cost-management/resource-manager/Microsoft.CostManagement/preview/2023-04-01-preview/examples/GenerateDetailedCostReportOperationStatusBySubscriptionScope.json
index 3b87e6e80a34..16fd79ebf724 100644
--- a/specification/cost-management/resource-manager/Microsoft.CostManagement/preview/2023-04-01-preview/examples/GenerateDetailedCostReportOperationStatusBySubscriptionScope.json
+++ b/specification/cost-management/resource-manager/Microsoft.CostManagement/preview/2023-04-01-preview/examples/GenerateDetailedCostReportOperationStatusBySubscriptionScope.json
@@ -16,7 +16,7 @@
           "validTill": "2020-12-08T05:55:59.4394737Z"
         },
         "error": {
-          "code": "0",
+          "code": 0,
           "message": null
         }
       }
diff --git a/specification/cost-management/resource-manager/readme.md b/specification/cost-management/resource-manager/readme.md
index 298f5d155570..5eb6de73b3f7 100644
--- a/specification/cost-management/resource-manager/readme.md
+++ b/specification/cost-management/resource-manager/readme.md
@@ -360,6 +360,12 @@ directive:
   - suppress: NoDuplicatePathsForScopeParameter
     from: costmanagement.budgets.json
     reason: 'Budgets_Get does not use an explicitly defined scope'
+  - suppress: ResourceMustReferenceCommonTypes
+    from: costmanagement.budgets.json
+    reason: 'Budget references CostManagementProxyResource, which references the common type ProxyResource'
+  - suppress: GetCollectionResponseSchema
+    from: common-types.json
+    reason: 'Operations does not contain a path for individual GET'
         
 ```