diff --git a/specification/cost-management/resource-manager/Microsoft.CostManagement/stable/2022-10-01/common-types.json b/specification/cost-management/resource-manager/Microsoft.CostManagement/stable/2022-10-01/common-types.json
index ca418d191b1d..30c85e9d6eb9 100644
--- a/specification/cost-management/resource-manager/Microsoft.CostManagement/stable/2022-10-01/common-types.json
+++ b/specification/cost-management/resource-manager/Microsoft.CostManagement/stable/2022-10-01/common-types.json
@@ -87,7 +87,8 @@
       "properties": {
         "code": {
           "description": "Error code.",
-          "type": "string",
+          "type": "integer",
+          "format": "int32",
           "readOnly": true
         },
         "message": {
diff --git a/specification/cost-management/resource-manager/Microsoft.CostManagement/stable/2022-10-01/costmanagement.generatedetailedcostreport.json b/specification/cost-management/resource-manager/Microsoft.CostManagement/stable/2022-10-01/costmanagement.generatedetailedcostreport.json
index 9639a4010c44..d80d2e2d1888 100644
--- a/specification/cost-management/resource-manager/Microsoft.CostManagement/stable/2022-10-01/costmanagement.generatedetailedcostreport.json
+++ b/specification/cost-management/resource-manager/Microsoft.CostManagement/stable/2022-10-01/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/stable/2022-10-01/examples/GenerateDetailedCostReportOperationStatusBySubscriptionScope.json b/specification/cost-management/resource-manager/Microsoft.CostManagement/stable/2022-10-01/examples/GenerateDetailedCostReportOperationStatusBySubscriptionScope.json
index aebba7db13f3..3c40802b76bf 100644
--- a/specification/cost-management/resource-manager/Microsoft.CostManagement/stable/2022-10-01/examples/GenerateDetailedCostReportOperationStatusBySubscriptionScope.json
+++ b/specification/cost-management/resource-manager/Microsoft.CostManagement/stable/2022-10-01/examples/GenerateDetailedCostReportOperationStatusBySubscriptionScope.json
@@ -16,7 +16,7 @@
           "validTill": "2020-12-08T05:55:59.4394737Z"
         },
         "error": {
-          "code": "0",
+          "code": 0,
           "message": null
         }
       }