diff --git a/specification/subscription/resource-manager/Microsoft.Subscription/preview/2018-11-01-preview/examples/createSubscription.json b/specification/subscription/resource-manager/Microsoft.Subscription/preview/2018-11-01-preview/examples/createSubscription.json
new file mode 100644
index 000000000000..d93c7f851a1b
--- /dev/null
+++ b/specification/subscription/resource-manager/Microsoft.Subscription/preview/2018-11-01-preview/examples/createSubscription.json
@@ -0,0 +1,32 @@
+{
+  "parameters": {
+    "billingAccountName": "12a6eed9-5d39-4103-a5db-2db1db0a8c67",
+    "invoiceSectionName": "b859d705-1ed7-4769-9d4b-19238e9e8ac2_10_31",
+    "api-version": "2018-11-01-preview",
+    "body": {
+      "displayName": "Test Ea Azure Sub",
+      "billingProfileId": "/providers/Microsoft.Billing/billingAccounts/12a6eed9-5d39-4103-a5db-2db1db0a8c67/billingProfiles/dbcb81c8-cda9-4b01-b9fc-831e6a2e152e",
+      "skuId": "0001",
+      "costCenter": "myCostCenter123",
+      "owner": {
+          "objectId": "973034ff-acb7-409c-b731-e789672c7b31"
+      },
+      "additionalParameters": {
+      }
+    }
+  },
+  "responses": {
+    "202": {
+      "headers": {
+        "Location":
+          "/providers/Microsoft.Subscription/subscriptionOperations/aeb76128-ebde-4f5a-a9ed-e7bbf2dbc994?api-version=2018-11-01-preview",
+        "Retry-After": 8
+      }
+    },
+    "200": {
+      "body": {
+        "subscriptionLink": "/subscriptions/d0d6ee57-6530-4fca-93a6-b755a070be35"
+      }
+    }
+  }
+}
\ No newline at end of file
diff --git a/specification/subscription/resource-manager/Microsoft.Subscription/preview/2018-11-01-preview/examples/getOperations.json b/specification/subscription/resource-manager/Microsoft.Subscription/preview/2018-11-01-preview/examples/getOperations.json
new file mode 100644
index 000000000000..e0713487bc1d
--- /dev/null
+++ b/specification/subscription/resource-manager/Microsoft.Subscription/preview/2018-11-01-preview/examples/getOperations.json
@@ -0,0 +1,21 @@
+{
+  "parameters": {
+    "api-version": "2018-11-01-preview"
+  },
+  "responses": {
+    "200": {
+      "body": {
+        "value": [
+          {
+            "name": "Microsoft.Subscription/createSubscription/action",
+            "display": {
+              "provider": "Microsoft Subscription",
+              "resource": "Resources",
+              "operation": "Create an Azure subscription"
+            }
+          }
+        ]
+      }
+    }
+  }
+}
\ No newline at end of file
diff --git a/specification/subscription/resource-manager/Microsoft.Subscription/preview/2018-11-01-preview/examples/getSubscriptionOperation.json b/specification/subscription/resource-manager/Microsoft.Subscription/preview/2018-11-01-preview/examples/getSubscriptionOperation.json
new file mode 100644
index 000000000000..a78d675da35b
--- /dev/null
+++ b/specification/subscription/resource-manager/Microsoft.Subscription/preview/2018-11-01-preview/examples/getSubscriptionOperation.json
@@ -0,0 +1,19 @@
+{
+  "parameters": {
+    "operationId": "e4b8d068-f574-462a-a76f-6fa0afc613c9",
+    "api-version": "2018-11-01-preview"
+  },
+  "responses": {
+    "202": {
+      "headers": {
+        "Location": "/providers/Microsoft.Subscription/subscriptionOperations/e4b8d068-f574-462a-a76f-6fa0afc613c9?api-version=2018-11-01-preview",
+        "Retry-After": 8
+      }
+    },
+    "200": {
+      "body": {
+        "subscriptionLink": "/subscriptions/4df8d5c2-1b7e-4dd5-bc61-640704bde633"
+      }
+    }
+  }
+}
\ No newline at end of file
diff --git a/specification/subscription/resource-manager/Microsoft.Subscription/preview/2018-11-01-preview/subscriptions.json b/specification/subscription/resource-manager/Microsoft.Subscription/preview/2018-11-01-preview/subscriptions.json
new file mode 100644
index 000000000000..befc022f5aac
--- /dev/null
+++ b/specification/subscription/resource-manager/Microsoft.Subscription/preview/2018-11-01-preview/subscriptions.json
@@ -0,0 +1,330 @@
+{
+  "swagger": "2.0",
+  "info": {
+    "version": "2018-11-01-preview",
+    "title": "SubscriptionClient",
+    "description": "Subscription client provides an interface to create and manage Azure subscriptions programmatically."
+  },
+  "schemes": [
+    "https"
+  ],
+  "host": "management.azure.com",
+  "consumes": [
+    "application/json"
+  ],
+  "produces": [
+    "application/json"
+  ],
+  "paths": {
+    "/providers/Microsoft.Subscription/operations": {
+      "get": {
+        "description": "Lists all of the available Microsoft.Subscription API operations.",
+        "operationId": "Operations_List",
+        "x-ms-examples": {
+          "getOperations": {
+            "$ref": "./examples/getOperations.json"
+          }
+        },
+        "parameters": [
+          {
+            "$ref": "#/parameters/apiVersionParameter"
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "OK. The request has succeeded.",
+            "schema": {
+              "$ref": "#/definitions/OperationListResult"
+            }
+          },
+          "default": {
+            "description": "Error response describing why the operation failed.",
+            "schema": {
+              "$ref": "#/definitions/ErrorResponse"
+            }
+          }
+        }
+      }
+    },
+    "/providers/Microsoft.Subscription/subscriptionOperations/{operationId}": {
+      "get": {
+        "description": "Get the status of the pending Microsoft.Subscription API operations.",
+        "operationId": "SubscriptionOperation_Get",
+        "x-ms-examples": {
+          "getPendingSubscriptionOperations": {
+            "$ref": "./examples/getSubscriptionOperation.json"
+          }
+        },
+        "responses": {
+          "202": {
+            "description": "Accepted. Subscription update is in progress.",
+            "headers": {
+              "Location": {
+                "description": "The URL where the status of the asynchronous operation can be checked.",
+                "type": "string"
+              },
+              "Retry-After": {
+                "description": "The amount of delay to use while the status of the operation is checked. The value is expressed in seconds.",
+                "type": "integer"
+              }
+            }
+          },
+          "200": {
+            "description": "Successful completion of the asynchronous operation",
+            "schema": {
+              "$ref": "#/definitions/SubscriptionCreationResult"
+            }
+          }
+        },
+        "parameters": [
+          {
+            "name": "operationId",
+            "in": "path",
+            "description": "The operation ID, which can be found from the Location field in the generate recommendation response header.",
+            "required": true,
+            "type": "string"
+          },
+          {
+            "$ref": "#/parameters/apiVersionParameter"
+          }
+        ]
+      }
+    },
+    "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/invoiceSections/{invoiceSectionName}/providers/Microsoft.Subscription/createSubscription": {
+      "post": {
+        "description": "Creates an Azure subscription",
+        "operationId": "SubscriptionFactory_CreateSubscription",
+        "x-ms-examples": {
+          "createSubscription": {
+            "$ref": "./examples/createSubscription.json"
+          }
+        },
+        "x-ms-long-running-operation": true,
+        "responses": {
+          "200": {
+            "description": "Normal response for a successful query. The response body will contain the data that matches the filters specified in the query parameters.",
+            "schema": {
+              "$ref": "#/definitions/SubscriptionCreationResult"
+            }
+          },
+          "202": {
+            "description": "Accepted. Subscription creation is in progress.",
+            "headers": {
+              "Location": {
+                "description": "GET this URL to retrieve the status of the asynchronous operation.",
+                "type": "string"
+              },
+              "Retry-After": {
+                "description": "The amount of delay to use while the status of the operation is checked. The value is expressed in seconds.",
+                "type": "integer"
+              }
+            }
+          },
+          "default": {
+            "description": "Error response describing why the operation failed.",
+            "schema": {
+              "$ref": "#/definitions/ErrorResponse"
+            }
+          }
+        },
+        "parameters": [
+          {
+            "name": "billingAccountName",
+            "in": "path",
+            "description": "The name of the commerce root billing account.",
+            "required": true,
+            "type": "string"
+          },
+          {
+            "name": "invoiceSectionName",
+            "in": "path",
+            "description": "The name of the invoice section.",
+            "required": true,
+            "type": "string"
+          },
+          {
+            "$ref": "#/parameters/apiVersionParameter"
+          },
+          {
+            "name": "body",
+            "in": "body",
+            "description": "The subscription creation parameters.",
+            "required": true,
+            "schema": {
+              "$ref": "#/definitions/SubscriptionCreationParameters"
+            }
+          }
+        ]
+      }
+    }
+  },
+  "definitions": {
+    "SubscriptionCreationResult": {
+      "description": "The created subscription object.",
+      "properties": {
+        "subscriptionLink": {
+          "description": "The link to the new subscription.",
+          "type": "string"
+        }
+      }
+    },
+    "SubscriptionCreationParameters": {
+      "description": "Subscription Creation Parameters required to create a new Azure subscription.",
+      "properties": {
+        "displayName": {
+          "description": "The display name of the subscription.",
+          "type": "string"
+        },
+        "billingProfileId": {
+          "description": "The ARM id of the billing profile.",
+          "type": "string"
+        },
+        "skuId": {
+          "description": "The commerce id of the sku.",
+          "type": "string"
+        },
+        "costCenter": {
+          "description": "optional customer cost center",
+          "type": "string"
+        },
+        "owner": {
+          "description": "rbac owner of the subscription",
+          "$ref": "#/definitions/AdPrincipal"
+        },
+        "additionalParameters": {  
+          "description": "Additional, untyped parameters to support custom subscription creation scenarios.",
+          "type": "object",
+          "additionalProperties": {  
+            "type": "object"
+          }
+        }
+      }
+    },
+    "ErrorResponse": {
+      "description": "Describes the format of Error response.",
+      "type": "object",
+      "properties": {
+        "code": {
+          "description": "Error code",
+          "type": "string"
+        },
+        "message": {
+          "description": "Error message indicating why the operation failed.",
+          "type": "string"
+        }
+      }
+    },
+    "AdPrincipal": {
+      "description": "Active Directory Principal for subscription creation delegated permission",
+      "properties": {
+        "objectId": {
+          "description": "Object id of the Principal",
+          "type": "string"
+        }
+      },
+      "required": [
+        "objectId"
+      ]
+    },
+    "SubscriptionOperationListResult": {
+      "description": "A list of pending subscription operations.",
+      "properties": {
+        "value": {
+          "description": "A list of pending SubscriptionOperations",
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/SubscriptionOperation"
+          }
+        }
+      }
+    },
+    "SubscriptionOperation": {
+      "description": "status of the subscription POST operation.",
+      "properties": {
+        "id": {
+          "type": "string",
+          "description": "The operation Id.",
+          "readOnly": true
+        },
+        "status": {
+          "description": "Status of the pending subscription",
+          "type": "string"
+        },
+        "statusDetail": {
+          "description": "Status Detail of the pending subscription",
+          "type": "string"
+        }
+      }
+    },
+    "OperationListResult": {
+      "description": "Result of the request to list operations. It contains a list of operations and a URL link to get the next set of results.",
+      "properties": {
+        "value": {
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/Operation"
+          },
+          "description": "List of operations."
+        },
+        "nextLink": {
+          "type": "string",
+          "description": "URL to get the next set of operation list results if there are any."
+        }
+      }
+    },
+    "Operation": {
+      "description": "REST API operation",
+      "type": "object",
+      "properties": {
+        "name": {
+          "description": "Operation name: {provider}/{resource}/{operation}",
+          "type": "string"
+        },
+        "display": {
+          "description": "The object that represents the operation.",
+          "properties": {
+            "provider": {
+              "description": "Service provider: Microsoft.Subscription",
+              "type": "string"
+            },
+            "resource": {
+              "description": "Resource on which the operation is performed: Profile, endpoint, etc.",
+              "type": "string"
+            },
+            "operation": {
+              "description": "Operation type: Read, write, delete, etc.",
+              "type": "string"
+            }
+          }
+        }
+      }
+    }
+  },
+  "parameters": {
+    "apiVersionParameter": {
+      "name": "api-version",
+      "in": "query",
+      "required": true,
+      "type": "string",
+      "description": "Version of the API to be used with the client request. Current version is 2015-06-01"
+    }
+  },
+  "security": [
+    {
+      "azure_auth": [
+        "user_impersonation"
+      ]
+    }
+  ],
+  "securityDefinitions": {
+    "azure_auth": {
+      "type": "oauth2",
+      "authorizationUrl": "https://login.microsoftonline.com/common/oauth2/authorize",
+      "flow": "implicit",
+      "description": "Azure Active Directory OAuth2 Flow",
+      "scopes": {
+        "user_impersonation": "impersonate your user account"
+      }
+    }
+  }
+}
\ No newline at end of file
diff --git a/specification/subscription/resource-manager/readme.md b/specification/subscription/resource-manager/readme.md
index 74498b7f5e58..676edf37cb20 100644
--- a/specification/subscription/resource-manager/readme.md
+++ b/specification/subscription/resource-manager/readme.md
@@ -31,10 +31,22 @@ These are the global settings for the Subscription API.
 
 ``` yaml
 openapi-type: arm
-tag: package-2018-03-preview
+tag: package-2018-11-preview
 ```
 
 
+### Tag: package-2018-11-preview
+
+These settings apply only when `--tag=package-2018-03-preview` is specified on the command line.
+
+``` yaml $(tag) == 'package-2018-11-preview'
+input-file:
+- Microsoft.Subscription/preview/2018-11-01-preview/subscriptions.json
+- Microsoft.Subscription/stable/2016-06-01/subscriptions.json
+title: SubscriptionClient
+description: The subscription client
+```
+
 ### Tag: package-2018-03-preview
 
 These settings apply only when `--tag=package-2018-03-preview` is specified on the command line.