diff --git a/descriptions-next/api.github.com/api.github.com.2022-11-28.json b/descriptions-next/api.github.com/api.github.com.2022-11-28.json
index 2974636fc..7c1940e3f 100644
--- a/descriptions-next/api.github.com/api.github.com.2022-11-28.json
+++ b/descriptions-next/api.github.com/api.github.com.2022-11-28.json
@@ -110166,6 +110166,14 @@
             ],
             "description": "Last editor that was used by the user for a GitHub Copilot completion."
           },
+          "last_authenticated_at": {
+            "type": [
+              "string",
+              "null"
+            ],
+            "format": "date-time",
+            "description": "Timestamp of the last time the user authenticated with GitHub Copilot, in ISO 8601 format."
+          },
           "created_at": {
             "type": "string",
             "format": "date-time",
@@ -288314,6 +288322,7 @@
               "pending_cancellation_date": null,
               "last_activity_at": "2021-10-14T00:53:32-06:00",
               "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+              "last_authenticated_at": "2021-10-14T00:53:32-06:00",
               "plan_type": "business",
               "assignee": {
                 "login": "octocat",
@@ -288357,6 +288366,7 @@
               "pending_cancellation_date": "2021-11-01",
               "last_activity_at": "2021-10-13T00:53:32-06:00",
               "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+              "last_authenticated_at": "2021-10-14T00:53:32-06:00",
               "assignee": {
                 "login": "octokitten",
                 "id": 1,
@@ -289245,6 +289255,7 @@
           "pending_cancellation_date": null,
           "last_activity_at": "2021-10-14T00:53:32-06:00",
           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
           "plan_type": "business",
           "assignee": {
             "login": "octocat",
diff --git a/descriptions-next/api.github.com/api.github.com.2022-11-28.yaml b/descriptions-next/api.github.com/api.github.com.2022-11-28.yaml
index 785d0304f..e7ffcc66b 100644
--- a/descriptions-next/api.github.com/api.github.com.2022-11-28.yaml
+++ b/descriptions-next/api.github.com/api.github.com.2022-11-28.yaml
@@ -79940,6 +79940,13 @@ components:
           - 'null'
           description: Last editor that was used by the user for a GitHub Copilot
             completion.
+        last_authenticated_at:
+          type:
+          - string
+          - 'null'
+          format: date-time
+          description: Timestamp of the last time the user authenticated with GitHub
+            Copilot, in ISO 8601 format.
         created_at:
           type: string
           format: date-time
@@ -213048,6 +213055,7 @@ components:
           pending_cancellation_date: 
           last_activity_at: '2021-10-14T00:53:32-06:00'
           last_activity_editor: vscode/1.77.3/copilot/1.86.82
+          last_authenticated_at: '2021-10-14T00:53:32-06:00'
           plan_type: business
           assignee:
             login: octocat
@@ -213087,6 +213095,7 @@ components:
           pending_cancellation_date: '2021-11-01'
           last_activity_at: '2021-10-13T00:53:32-06:00'
           last_activity_editor: vscode/1.77.3/copilot/1.86.82
+          last_authenticated_at: '2021-10-14T00:53:32-06:00'
           assignee:
             login: octokitten
             id: 1
@@ -213790,6 +213799,7 @@ components:
         pending_cancellation_date: 
         last_activity_at: '2021-10-14T00:53:32-06:00'
         last_activity_editor: vscode/1.77.3/copilot/1.86.82
+        last_authenticated_at: '2021-10-14T00:53:32-06:00'
         plan_type: business
         assignee:
           login: octocat
diff --git a/descriptions-next/api.github.com/api.github.com.json b/descriptions-next/api.github.com/api.github.com.json
index 2974636fc..7c1940e3f 100644
--- a/descriptions-next/api.github.com/api.github.com.json
+++ b/descriptions-next/api.github.com/api.github.com.json
@@ -110166,6 +110166,14 @@
             ],
             "description": "Last editor that was used by the user for a GitHub Copilot completion."
           },
+          "last_authenticated_at": {
+            "type": [
+              "string",
+              "null"
+            ],
+            "format": "date-time",
+            "description": "Timestamp of the last time the user authenticated with GitHub Copilot, in ISO 8601 format."
+          },
           "created_at": {
             "type": "string",
             "format": "date-time",
@@ -288314,6 +288322,7 @@
               "pending_cancellation_date": null,
               "last_activity_at": "2021-10-14T00:53:32-06:00",
               "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+              "last_authenticated_at": "2021-10-14T00:53:32-06:00",
               "plan_type": "business",
               "assignee": {
                 "login": "octocat",
@@ -288357,6 +288366,7 @@
               "pending_cancellation_date": "2021-11-01",
               "last_activity_at": "2021-10-13T00:53:32-06:00",
               "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+              "last_authenticated_at": "2021-10-14T00:53:32-06:00",
               "assignee": {
                 "login": "octokitten",
                 "id": 1,
@@ -289245,6 +289255,7 @@
           "pending_cancellation_date": null,
           "last_activity_at": "2021-10-14T00:53:32-06:00",
           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
           "plan_type": "business",
           "assignee": {
             "login": "octocat",
diff --git a/descriptions-next/api.github.com/api.github.com.yaml b/descriptions-next/api.github.com/api.github.com.yaml
index 785d0304f..e7ffcc66b 100644
--- a/descriptions-next/api.github.com/api.github.com.yaml
+++ b/descriptions-next/api.github.com/api.github.com.yaml
@@ -79940,6 +79940,13 @@ components:
           - 'null'
           description: Last editor that was used by the user for a GitHub Copilot
             completion.
+        last_authenticated_at:
+          type:
+          - string
+          - 'null'
+          format: date-time
+          description: Timestamp of the last time the user authenticated with GitHub
+            Copilot, in ISO 8601 format.
         created_at:
           type: string
           format: date-time
@@ -213048,6 +213055,7 @@ components:
           pending_cancellation_date: 
           last_activity_at: '2021-10-14T00:53:32-06:00'
           last_activity_editor: vscode/1.77.3/copilot/1.86.82
+          last_authenticated_at: '2021-10-14T00:53:32-06:00'
           plan_type: business
           assignee:
             login: octocat
@@ -213087,6 +213095,7 @@ components:
           pending_cancellation_date: '2021-11-01'
           last_activity_at: '2021-10-13T00:53:32-06:00'
           last_activity_editor: vscode/1.77.3/copilot/1.86.82
+          last_authenticated_at: '2021-10-14T00:53:32-06:00'
           assignee:
             login: octokitten
             id: 1
@@ -213790,6 +213799,7 @@ components:
         pending_cancellation_date: 
         last_activity_at: '2021-10-14T00:53:32-06:00'
         last_activity_editor: vscode/1.77.3/copilot/1.86.82
+        last_authenticated_at: '2021-10-14T00:53:32-06:00'
         plan_type: business
         assignee:
           login: octocat
diff --git a/descriptions-next/api.github.com/dereferenced/api.github.com.2022-11-28.deref.json b/descriptions-next/api.github.com/dereferenced/api.github.com.2022-11-28.deref.json
index 6a2054eea..6b11f2e8d 100644
--- a/descriptions-next/api.github.com/dereferenced/api.github.com.2022-11-28.deref.json
+++ b/descriptions-next/api.github.com/dereferenced/api.github.com.2022-11-28.deref.json
@@ -95485,6 +95485,14 @@
                             ],
                             "description": "Last editor that was used by the user for a GitHub Copilot completion."
                           },
+                          "last_authenticated_at": {
+                            "type": [
+                              "string",
+                              "null"
+                            ],
+                            "format": "date-time",
+                            "description": "Timestamp of the last time the user authenticated with GitHub Copilot, in ISO 8601 format."
+                          },
                           "created_at": {
                             "type": "string",
                             "format": "date-time",
@@ -95525,6 +95533,7 @@
                           "pending_cancellation_date": null,
                           "last_activity_at": "2021-10-14T00:53:32-06:00",
                           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                           "plan_type": "business",
                           "assignee": {
                             "login": "octocat",
@@ -95568,6 +95577,7 @@
                           "pending_cancellation_date": "2021-11-01",
                           "last_activity_at": "2021-10-13T00:53:32-06:00",
                           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                           "assignee": {
                             "login": "octokitten",
                             "id": 1,
@@ -123532,6 +123542,14 @@
                       ],
                       "description": "Last editor that was used by the user for a GitHub Copilot completion."
                     },
+                    "last_authenticated_at": {
+                      "type": [
+                        "string",
+                        "null"
+                      ],
+                      "format": "date-time",
+                      "description": "Timestamp of the last time the user authenticated with GitHub Copilot, in ISO 8601 format."
+                    },
                     "created_at": {
                       "type": "string",
                       "format": "date-time",
@@ -123566,6 +123584,7 @@
                       "pending_cancellation_date": null,
                       "last_activity_at": "2021-10-14T00:53:32-06:00",
                       "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                      "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                       "plan_type": "business",
                       "assignee": {
                         "login": "octocat",
diff --git a/descriptions-next/api.github.com/dereferenced/api.github.com.2022-11-28.deref.yaml b/descriptions-next/api.github.com/dereferenced/api.github.com.2022-11-28.deref.yaml
index 267186ebf..e3946fece 100644
--- a/descriptions-next/api.github.com/dereferenced/api.github.com.2022-11-28.deref.yaml
+++ b/descriptions-next/api.github.com/dereferenced/api.github.com.2022-11-28.deref.yaml
@@ -26708,6 +26708,13 @@ paths:
                           - 'null'
                           description: Last editor that was used by the user for a
                             GitHub Copilot completion.
+                        last_authenticated_at:
+                          type:
+                          - string
+                          - 'null'
+                          format: date-time
+                          description: Timestamp of the last time the user authenticated
+                            with GitHub Copilot, in ISO 8601 format.
                         created_at:
                           type: string
                           format: date-time
@@ -26743,6 +26750,7 @@ paths:
                       pending_cancellation_date: 
                       last_activity_at: '2021-10-14T00:53:32-06:00'
                       last_activity_editor: vscode/1.77.3/copilot/1.86.82
+                      last_authenticated_at: '2021-10-14T00:53:32-06:00'
                       plan_type: business
                       assignee:
                         login: octocat
@@ -26782,6 +26790,7 @@ paths:
                       pending_cancellation_date: '2021-11-01'
                       last_activity_at: '2021-10-13T00:53:32-06:00'
                       last_activity_editor: vscode/1.77.3/copilot/1.86.82
+                      last_authenticated_at: '2021-10-14T00:53:32-06:00'
                       assignee:
                         login: octokitten
                         id: 1
@@ -30892,6 +30901,7 @@ paths:
                     pending_cancellation_date: 
                     last_activity_at: '2021-10-14T00:53:32-06:00'
                     last_activity_editor: vscode/1.77.3/copilot/1.86.82
+                    last_authenticated_at: '2021-10-14T00:53:32-06:00'
                     plan_type: business
                     assignee:
                       login: octocat
diff --git a/descriptions-next/api.github.com/dereferenced/api.github.com.deref.json b/descriptions-next/api.github.com/dereferenced/api.github.com.deref.json
index 6a2054eea..6b11f2e8d 100644
--- a/descriptions-next/api.github.com/dereferenced/api.github.com.deref.json
+++ b/descriptions-next/api.github.com/dereferenced/api.github.com.deref.json
@@ -95485,6 +95485,14 @@
                             ],
                             "description": "Last editor that was used by the user for a GitHub Copilot completion."
                           },
+                          "last_authenticated_at": {
+                            "type": [
+                              "string",
+                              "null"
+                            ],
+                            "format": "date-time",
+                            "description": "Timestamp of the last time the user authenticated with GitHub Copilot, in ISO 8601 format."
+                          },
                           "created_at": {
                             "type": "string",
                             "format": "date-time",
@@ -95525,6 +95533,7 @@
                           "pending_cancellation_date": null,
                           "last_activity_at": "2021-10-14T00:53:32-06:00",
                           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                           "plan_type": "business",
                           "assignee": {
                             "login": "octocat",
@@ -95568,6 +95577,7 @@
                           "pending_cancellation_date": "2021-11-01",
                           "last_activity_at": "2021-10-13T00:53:32-06:00",
                           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                           "assignee": {
                             "login": "octokitten",
                             "id": 1,
@@ -123532,6 +123542,14 @@
                       ],
                       "description": "Last editor that was used by the user for a GitHub Copilot completion."
                     },
+                    "last_authenticated_at": {
+                      "type": [
+                        "string",
+                        "null"
+                      ],
+                      "format": "date-time",
+                      "description": "Timestamp of the last time the user authenticated with GitHub Copilot, in ISO 8601 format."
+                    },
                     "created_at": {
                       "type": "string",
                       "format": "date-time",
@@ -123566,6 +123584,7 @@
                       "pending_cancellation_date": null,
                       "last_activity_at": "2021-10-14T00:53:32-06:00",
                       "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                      "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                       "plan_type": "business",
                       "assignee": {
                         "login": "octocat",
diff --git a/descriptions-next/api.github.com/dereferenced/api.github.com.deref.yaml b/descriptions-next/api.github.com/dereferenced/api.github.com.deref.yaml
index 267186ebf..e3946fece 100644
--- a/descriptions-next/api.github.com/dereferenced/api.github.com.deref.yaml
+++ b/descriptions-next/api.github.com/dereferenced/api.github.com.deref.yaml
@@ -26708,6 +26708,13 @@ paths:
                           - 'null'
                           description: Last editor that was used by the user for a
                             GitHub Copilot completion.
+                        last_authenticated_at:
+                          type:
+                          - string
+                          - 'null'
+                          format: date-time
+                          description: Timestamp of the last time the user authenticated
+                            with GitHub Copilot, in ISO 8601 format.
                         created_at:
                           type: string
                           format: date-time
@@ -26743,6 +26750,7 @@ paths:
                       pending_cancellation_date: 
                       last_activity_at: '2021-10-14T00:53:32-06:00'
                       last_activity_editor: vscode/1.77.3/copilot/1.86.82
+                      last_authenticated_at: '2021-10-14T00:53:32-06:00'
                       plan_type: business
                       assignee:
                         login: octocat
@@ -26782,6 +26790,7 @@ paths:
                       pending_cancellation_date: '2021-11-01'
                       last_activity_at: '2021-10-13T00:53:32-06:00'
                       last_activity_editor: vscode/1.77.3/copilot/1.86.82
+                      last_authenticated_at: '2021-10-14T00:53:32-06:00'
                       assignee:
                         login: octokitten
                         id: 1
@@ -30892,6 +30901,7 @@ paths:
                     pending_cancellation_date: 
                     last_activity_at: '2021-10-14T00:53:32-06:00'
                     last_activity_editor: vscode/1.77.3/copilot/1.86.82
+                    last_authenticated_at: '2021-10-14T00:53:32-06:00'
                     plan_type: business
                     assignee:
                       login: octocat
diff --git a/descriptions-next/ghec/dereferenced/ghec.2022-11-28.deref.json b/descriptions-next/ghec/dereferenced/ghec.2022-11-28.deref.json
index adc7006e3..eee8a7229 100644
--- a/descriptions-next/ghec/dereferenced/ghec.2022-11-28.deref.json
+++ b/descriptions-next/ghec/dereferenced/ghec.2022-11-28.deref.json
@@ -42185,6 +42185,14 @@
                             ],
                             "description": "Last editor that was used by the user for a GitHub Copilot completion."
                           },
+                          "last_authenticated_at": {
+                            "type": [
+                              "string",
+                              "null"
+                            ],
+                            "format": "date-time",
+                            "description": "Timestamp of the last time the user authenticated with GitHub Copilot, in ISO 8601 format."
+                          },
                           "created_at": {
                             "type": "string",
                             "format": "date-time",
@@ -42225,6 +42233,7 @@
                           "pending_cancellation_date": null,
                           "last_activity_at": "2021-10-14T00:53:32-06:00",
                           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                           "plan_type": "business",
                           "assignee": {
                             "login": "octocat",
@@ -42268,6 +42277,7 @@
                           "pending_cancellation_date": "2021-11-01",
                           "last_activity_at": "2021-10-13T00:53:32-06:00",
                           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                           "assignee": {
                             "login": "octokitten",
                             "id": 1,
@@ -45826,6 +45836,14 @@
                             ],
                             "description": "Last editor that was used by the user for a GitHub Copilot completion."
                           },
+                          "last_authenticated_at": {
+                            "type": [
+                              "string",
+                              "null"
+                            ],
+                            "format": "date-time",
+                            "description": "Timestamp of the last time the user authenticated with GitHub Copilot, in ISO 8601 format."
+                          },
                           "created_at": {
                             "type": "string",
                             "format": "date-time",
@@ -45866,6 +45884,7 @@
                           "pending_cancellation_date": null,
                           "last_activity_at": "2021-10-14T00:53:32-06:00",
                           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                           "plan_type": "business",
                           "assignee": {
                             "login": "octocat",
@@ -45909,6 +45928,7 @@
                           "pending_cancellation_date": "2021-11-01",
                           "last_activity_at": "2021-10-13T00:53:32-06:00",
                           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                           "assignee": {
                             "login": "octokitten",
                             "id": 1,
@@ -58710,6 +58730,13 @@
                               "deleted"
                             ]
                           },
+                          "azure_subscription": {
+                            "type": [
+                              "string",
+                              "null"
+                            ],
+                            "description": "Azure subscription ID associated with the cost center. Only present for cost centers linked to Azure subscriptions."
+                          },
                           "resources": {
                             "type": "array",
                             "items": {
@@ -58748,6 +58775,7 @@
                           "id": "2eeb8ffe-6903-11ee-8c99-0242ac120002",
                           "name": "Cost Center Name",
                           "state": "active",
+                          "azure_subscription": "aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee",
                           "resources": [
                             {
                               "type": "User",
@@ -58758,6 +58786,17 @@
                               "name": "octocat/hello-world"
                             }
                           ]
+                        },
+                        {
+                          "id": "3ffb9ffe-6903-11ee-8c99-0242ac120003",
+                          "name": "Another Cost Center",
+                          "state": "active",
+                          "resources": [
+                            {
+                              "type": "User",
+                              "name": "Octocat"
+                            }
+                          ]
                         }
                       ]
                     }
@@ -58980,6 +59019,21 @@
                       "type": "string",
                       "description": "Name of the cost center"
                     },
+                    "azure_subscription": {
+                      "type": [
+                        "string",
+                        "null"
+                      ],
+                      "description": "Azure subscription ID associated with the cost center. Only present for cost centers linked to Azure subscriptions."
+                    },
+                    "state": {
+                      "type": "string",
+                      "description": "State of the cost center.",
+                      "enum": [
+                        "active",
+                        "deleted"
+                      ]
+                    },
                     "resources": {
                       "type": "array",
                       "description": "List of resources assigned to this cost center",
@@ -59120,6 +59174,21 @@
                       "type": "string",
                       "description": "Name of the cost center."
                     },
+                    "azure_subscription": {
+                      "type": [
+                        "string",
+                        "null"
+                      ],
+                      "description": "Azure subscription ID associated with the cost center. Only present for cost centers linked to Azure subscriptions."
+                    },
+                    "state": {
+                      "type": "string",
+                      "description": "State of the cost center.",
+                      "enum": [
+                        "active",
+                        "deleted"
+                      ]
+                    },
                     "resources": {
                       "type": "array",
                       "items": {
@@ -59149,22 +59218,22 @@
                 },
                 "examples": {
                   "default": {
-                    "value": [
-                      {
-                        "id": "2eeb8ffe-6903-11ee-8c99-0242ac120002",
-                        "name": "Cost Center Name",
-                        "resources": [
-                          {
-                            "type": "User",
-                            "name": "Monalisa"
-                          },
-                          {
-                            "type": "Repo",
-                            "name": "octocat/hello-world"
-                          }
-                        ]
-                      }
-                    ]
+                    "value": {
+                      "id": "2eeb8ffe-6903-11ee-8c99-0242ac120002",
+                      "name": "Cost Center Name",
+                      "state": "active",
+                      "azure_subscription": "aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee",
+                      "resources": [
+                        {
+                          "type": "User",
+                          "name": "Monalisa"
+                        },
+                        {
+                          "type": "Repo",
+                          "name": "octocat/hello-world"
+                        }
+                      ]
+                    }
                   }
                 }
               }
@@ -59393,6 +59462,21 @@
                       "type": "string",
                       "description": "Name of the cost center."
                     },
+                    "azure_subscription": {
+                      "type": [
+                        "string",
+                        "null"
+                      ],
+                      "description": "Azure subscription ID associated with the cost center. Only present for cost centers linked to Azure subscriptions."
+                    },
+                    "state": {
+                      "type": "string",
+                      "description": "State of the cost center.",
+                      "enum": [
+                        "active",
+                        "deleted"
+                      ]
+                    },
                     "resources": {
                       "type": "array",
                       "items": {
@@ -59422,22 +59506,22 @@
                 },
                 "examples": {
                   "default": {
-                    "value": [
-                      {
-                        "id": "2eeb8ffe-6903-11ee-8c99-0242ac120002",
-                        "name": "Cost Center Name",
-                        "resources": [
-                          {
-                            "type": "User",
-                            "name": "Monalisa"
-                          },
-                          {
-                            "type": "Repo",
-                            "name": "octocat/hello-world"
-                          }
-                        ]
-                      }
-                    ]
+                    "value": {
+                      "id": "2eeb8ffe-6903-11ee-8c99-0242ac120002",
+                      "name": "Cost Center Name",
+                      "state": "active",
+                      "azure_subscription": "aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee",
+                      "resources": [
+                        {
+                          "type": "User",
+                          "name": "Monalisa"
+                        },
+                        {
+                          "type": "Repo",
+                          "name": "octocat/hello-world"
+                        }
+                      ]
+                    }
                   }
                 }
               }
@@ -132547,6 +132631,14 @@
                             ],
                             "description": "Last editor that was used by the user for a GitHub Copilot completion."
                           },
+                          "last_authenticated_at": {
+                            "type": [
+                              "string",
+                              "null"
+                            ],
+                            "format": "date-time",
+                            "description": "Timestamp of the last time the user authenticated with GitHub Copilot, in ISO 8601 format."
+                          },
                           "created_at": {
                             "type": "string",
                             "format": "date-time",
@@ -132587,6 +132679,7 @@
                           "pending_cancellation_date": null,
                           "last_activity_at": "2021-10-14T00:53:32-06:00",
                           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                           "plan_type": "business",
                           "assignee": {
                             "login": "octocat",
@@ -132630,6 +132723,7 @@
                           "pending_cancellation_date": "2021-11-01",
                           "last_activity_at": "2021-10-13T00:53:32-06:00",
                           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                           "assignee": {
                             "login": "octokitten",
                             "id": 1,
@@ -165343,6 +165437,14 @@
                       ],
                       "description": "Last editor that was used by the user for a GitHub Copilot completion."
                     },
+                    "last_authenticated_at": {
+                      "type": [
+                        "string",
+                        "null"
+                      ],
+                      "format": "date-time",
+                      "description": "Timestamp of the last time the user authenticated with GitHub Copilot, in ISO 8601 format."
+                    },
                     "created_at": {
                       "type": "string",
                       "format": "date-time",
@@ -165377,6 +165479,7 @@
                       "pending_cancellation_date": null,
                       "last_activity_at": "2021-10-14T00:53:32-06:00",
                       "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                      "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                       "plan_type": "business",
                       "assignee": {
                         "login": "octocat",
diff --git a/descriptions-next/ghec/dereferenced/ghec.2022-11-28.deref.yaml b/descriptions-next/ghec/dereferenced/ghec.2022-11-28.deref.yaml
index 30832d400..e42e3dc0c 100644
--- a/descriptions-next/ghec/dereferenced/ghec.2022-11-28.deref.yaml
+++ b/descriptions-next/ghec/dereferenced/ghec.2022-11-28.deref.yaml
@@ -15343,6 +15343,13 @@ paths:
                           - 'null'
                           description: Last editor that was used by the user for a
                             GitHub Copilot completion.
+                        last_authenticated_at:
+                          type:
+                          - string
+                          - 'null'
+                          format: date-time
+                          description: Timestamp of the last time the user authenticated
+                            with GitHub Copilot, in ISO 8601 format.
                         created_at:
                           type: string
                           format: date-time
@@ -15378,6 +15385,7 @@ paths:
                       pending_cancellation_date: 
                       last_activity_at: '2021-10-14T00:53:32-06:00'
                       last_activity_editor: vscode/1.77.3/copilot/1.86.82
+                      last_authenticated_at: '2021-10-14T00:53:32-06:00'
                       plan_type: business
                       assignee:
                         login: octocat
@@ -15417,6 +15425,7 @@ paths:
                       pending_cancellation_date: '2021-11-01'
                       last_activity_at: '2021-10-13T00:53:32-06:00'
                       last_activity_editor: vscode/1.77.3/copilot/1.86.82
+                      last_authenticated_at: '2021-10-14T00:53:32-06:00'
                       assignee:
                         login: octokitten
                         id: 1
@@ -20346,6 +20355,13 @@ paths:
                           enum:
                           - active
                           - deleted
+                        azure_subscription:
+                          type:
+                          - string
+                          - 'null'
+                          description: Azure subscription ID associated with the cost
+                            center. Only present for cost centers linked to Azure
+                            subscriptions.
                         resources:
                           type: array
                           items:
@@ -20371,11 +20387,18 @@ paths:
                     - id: 2eeb8ffe-6903-11ee-8c99-0242ac120002
                       name: Cost Center Name
                       state: active
+                      azure_subscription: aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee
                       resources:
                       - type: User
                         name: Monalisa
                       - type: Repo
                         name: octocat/hello-world
+                    - id: 3ffb9ffe-6903-11ee-8c99-0242ac120003
+                      name: Another Cost Center
+                      state: active
+                      resources:
+                      - type: User
+                        name: Octocat
         '400': *14
         '403': *27
         '500': *88
@@ -20428,6 +20451,18 @@ paths:
                   name:
                     type: string
                     description: Name of the cost center
+                  azure_subscription:
+                    type:
+                    - string
+                    - 'null'
+                    description: Azure subscription ID associated with the cost center.
+                      Only present for cost centers linked to Azure subscriptions.
+                  state:
+                    type: string
+                    description: State of the cost center.
+                    enum:
+                    - active
+                    - deleted
                   resources:
                     type: array
                     description: List of resources assigned to this cost center
@@ -20518,6 +20553,18 @@ paths:
                   name:
                     type: string
                     description: Name of the cost center.
+                  azure_subscription:
+                    type:
+                    - string
+                    - 'null'
+                    description: Azure subscription ID associated with the cost center.
+                      Only present for cost centers linked to Azure subscriptions.
+                  state:
+                    type: string
+                    description: State of the cost center.
+                    enum:
+                    - active
+                    - deleted
                   resources:
                     type: array
                     items:
@@ -20539,8 +20586,10 @@ paths:
               examples:
                 default: &159
                   value:
-                  - id: 2eeb8ffe-6903-11ee-8c99-0242ac120002
+                    id: 2eeb8ffe-6903-11ee-8c99-0242ac120002
                     name: Cost Center Name
+                    state: active
+                    azure_subscription: aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee
                     resources:
                     - type: User
                       name: Monalisa
@@ -41437,6 +41486,7 @@ paths:
                     pending_cancellation_date: 
                     last_activity_at: '2021-10-14T00:53:32-06:00'
                     last_activity_editor: vscode/1.77.3/copilot/1.86.82
+                    last_authenticated_at: '2021-10-14T00:53:32-06:00'
                     plan_type: business
                     assignee:
                       login: octocat
diff --git a/descriptions-next/ghec/dereferenced/ghec.deref.json b/descriptions-next/ghec/dereferenced/ghec.deref.json
index adc7006e3..eee8a7229 100644
--- a/descriptions-next/ghec/dereferenced/ghec.deref.json
+++ b/descriptions-next/ghec/dereferenced/ghec.deref.json
@@ -42185,6 +42185,14 @@
                             ],
                             "description": "Last editor that was used by the user for a GitHub Copilot completion."
                           },
+                          "last_authenticated_at": {
+                            "type": [
+                              "string",
+                              "null"
+                            ],
+                            "format": "date-time",
+                            "description": "Timestamp of the last time the user authenticated with GitHub Copilot, in ISO 8601 format."
+                          },
                           "created_at": {
                             "type": "string",
                             "format": "date-time",
@@ -42225,6 +42233,7 @@
                           "pending_cancellation_date": null,
                           "last_activity_at": "2021-10-14T00:53:32-06:00",
                           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                           "plan_type": "business",
                           "assignee": {
                             "login": "octocat",
@@ -42268,6 +42277,7 @@
                           "pending_cancellation_date": "2021-11-01",
                           "last_activity_at": "2021-10-13T00:53:32-06:00",
                           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                           "assignee": {
                             "login": "octokitten",
                             "id": 1,
@@ -45826,6 +45836,14 @@
                             ],
                             "description": "Last editor that was used by the user for a GitHub Copilot completion."
                           },
+                          "last_authenticated_at": {
+                            "type": [
+                              "string",
+                              "null"
+                            ],
+                            "format": "date-time",
+                            "description": "Timestamp of the last time the user authenticated with GitHub Copilot, in ISO 8601 format."
+                          },
                           "created_at": {
                             "type": "string",
                             "format": "date-time",
@@ -45866,6 +45884,7 @@
                           "pending_cancellation_date": null,
                           "last_activity_at": "2021-10-14T00:53:32-06:00",
                           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                           "plan_type": "business",
                           "assignee": {
                             "login": "octocat",
@@ -45909,6 +45928,7 @@
                           "pending_cancellation_date": "2021-11-01",
                           "last_activity_at": "2021-10-13T00:53:32-06:00",
                           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                           "assignee": {
                             "login": "octokitten",
                             "id": 1,
@@ -58710,6 +58730,13 @@
                               "deleted"
                             ]
                           },
+                          "azure_subscription": {
+                            "type": [
+                              "string",
+                              "null"
+                            ],
+                            "description": "Azure subscription ID associated with the cost center. Only present for cost centers linked to Azure subscriptions."
+                          },
                           "resources": {
                             "type": "array",
                             "items": {
@@ -58748,6 +58775,7 @@
                           "id": "2eeb8ffe-6903-11ee-8c99-0242ac120002",
                           "name": "Cost Center Name",
                           "state": "active",
+                          "azure_subscription": "aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee",
                           "resources": [
                             {
                               "type": "User",
@@ -58758,6 +58786,17 @@
                               "name": "octocat/hello-world"
                             }
                           ]
+                        },
+                        {
+                          "id": "3ffb9ffe-6903-11ee-8c99-0242ac120003",
+                          "name": "Another Cost Center",
+                          "state": "active",
+                          "resources": [
+                            {
+                              "type": "User",
+                              "name": "Octocat"
+                            }
+                          ]
                         }
                       ]
                     }
@@ -58980,6 +59019,21 @@
                       "type": "string",
                       "description": "Name of the cost center"
                     },
+                    "azure_subscription": {
+                      "type": [
+                        "string",
+                        "null"
+                      ],
+                      "description": "Azure subscription ID associated with the cost center. Only present for cost centers linked to Azure subscriptions."
+                    },
+                    "state": {
+                      "type": "string",
+                      "description": "State of the cost center.",
+                      "enum": [
+                        "active",
+                        "deleted"
+                      ]
+                    },
                     "resources": {
                       "type": "array",
                       "description": "List of resources assigned to this cost center",
@@ -59120,6 +59174,21 @@
                       "type": "string",
                       "description": "Name of the cost center."
                     },
+                    "azure_subscription": {
+                      "type": [
+                        "string",
+                        "null"
+                      ],
+                      "description": "Azure subscription ID associated with the cost center. Only present for cost centers linked to Azure subscriptions."
+                    },
+                    "state": {
+                      "type": "string",
+                      "description": "State of the cost center.",
+                      "enum": [
+                        "active",
+                        "deleted"
+                      ]
+                    },
                     "resources": {
                       "type": "array",
                       "items": {
@@ -59149,22 +59218,22 @@
                 },
                 "examples": {
                   "default": {
-                    "value": [
-                      {
-                        "id": "2eeb8ffe-6903-11ee-8c99-0242ac120002",
-                        "name": "Cost Center Name",
-                        "resources": [
-                          {
-                            "type": "User",
-                            "name": "Monalisa"
-                          },
-                          {
-                            "type": "Repo",
-                            "name": "octocat/hello-world"
-                          }
-                        ]
-                      }
-                    ]
+                    "value": {
+                      "id": "2eeb8ffe-6903-11ee-8c99-0242ac120002",
+                      "name": "Cost Center Name",
+                      "state": "active",
+                      "azure_subscription": "aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee",
+                      "resources": [
+                        {
+                          "type": "User",
+                          "name": "Monalisa"
+                        },
+                        {
+                          "type": "Repo",
+                          "name": "octocat/hello-world"
+                        }
+                      ]
+                    }
                   }
                 }
               }
@@ -59393,6 +59462,21 @@
                       "type": "string",
                       "description": "Name of the cost center."
                     },
+                    "azure_subscription": {
+                      "type": [
+                        "string",
+                        "null"
+                      ],
+                      "description": "Azure subscription ID associated with the cost center. Only present for cost centers linked to Azure subscriptions."
+                    },
+                    "state": {
+                      "type": "string",
+                      "description": "State of the cost center.",
+                      "enum": [
+                        "active",
+                        "deleted"
+                      ]
+                    },
                     "resources": {
                       "type": "array",
                       "items": {
@@ -59422,22 +59506,22 @@
                 },
                 "examples": {
                   "default": {
-                    "value": [
-                      {
-                        "id": "2eeb8ffe-6903-11ee-8c99-0242ac120002",
-                        "name": "Cost Center Name",
-                        "resources": [
-                          {
-                            "type": "User",
-                            "name": "Monalisa"
-                          },
-                          {
-                            "type": "Repo",
-                            "name": "octocat/hello-world"
-                          }
-                        ]
-                      }
-                    ]
+                    "value": {
+                      "id": "2eeb8ffe-6903-11ee-8c99-0242ac120002",
+                      "name": "Cost Center Name",
+                      "state": "active",
+                      "azure_subscription": "aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee",
+                      "resources": [
+                        {
+                          "type": "User",
+                          "name": "Monalisa"
+                        },
+                        {
+                          "type": "Repo",
+                          "name": "octocat/hello-world"
+                        }
+                      ]
+                    }
                   }
                 }
               }
@@ -132547,6 +132631,14 @@
                             ],
                             "description": "Last editor that was used by the user for a GitHub Copilot completion."
                           },
+                          "last_authenticated_at": {
+                            "type": [
+                              "string",
+                              "null"
+                            ],
+                            "format": "date-time",
+                            "description": "Timestamp of the last time the user authenticated with GitHub Copilot, in ISO 8601 format."
+                          },
                           "created_at": {
                             "type": "string",
                             "format": "date-time",
@@ -132587,6 +132679,7 @@
                           "pending_cancellation_date": null,
                           "last_activity_at": "2021-10-14T00:53:32-06:00",
                           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                           "plan_type": "business",
                           "assignee": {
                             "login": "octocat",
@@ -132630,6 +132723,7 @@
                           "pending_cancellation_date": "2021-11-01",
                           "last_activity_at": "2021-10-13T00:53:32-06:00",
                           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                           "assignee": {
                             "login": "octokitten",
                             "id": 1,
@@ -165343,6 +165437,14 @@
                       ],
                       "description": "Last editor that was used by the user for a GitHub Copilot completion."
                     },
+                    "last_authenticated_at": {
+                      "type": [
+                        "string",
+                        "null"
+                      ],
+                      "format": "date-time",
+                      "description": "Timestamp of the last time the user authenticated with GitHub Copilot, in ISO 8601 format."
+                    },
                     "created_at": {
                       "type": "string",
                       "format": "date-time",
@@ -165377,6 +165479,7 @@
                       "pending_cancellation_date": null,
                       "last_activity_at": "2021-10-14T00:53:32-06:00",
                       "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+                      "last_authenticated_at": "2021-10-14T00:53:32-06:00",
                       "plan_type": "business",
                       "assignee": {
                         "login": "octocat",
diff --git a/descriptions-next/ghec/dereferenced/ghec.deref.yaml b/descriptions-next/ghec/dereferenced/ghec.deref.yaml
index 30832d400..e42e3dc0c 100644
--- a/descriptions-next/ghec/dereferenced/ghec.deref.yaml
+++ b/descriptions-next/ghec/dereferenced/ghec.deref.yaml
@@ -15343,6 +15343,13 @@ paths:
                           - 'null'
                           description: Last editor that was used by the user for a
                             GitHub Copilot completion.
+                        last_authenticated_at:
+                          type:
+                          - string
+                          - 'null'
+                          format: date-time
+                          description: Timestamp of the last time the user authenticated
+                            with GitHub Copilot, in ISO 8601 format.
                         created_at:
                           type: string
                           format: date-time
@@ -15378,6 +15385,7 @@ paths:
                       pending_cancellation_date: 
                       last_activity_at: '2021-10-14T00:53:32-06:00'
                       last_activity_editor: vscode/1.77.3/copilot/1.86.82
+                      last_authenticated_at: '2021-10-14T00:53:32-06:00'
                       plan_type: business
                       assignee:
                         login: octocat
@@ -15417,6 +15425,7 @@ paths:
                       pending_cancellation_date: '2021-11-01'
                       last_activity_at: '2021-10-13T00:53:32-06:00'
                       last_activity_editor: vscode/1.77.3/copilot/1.86.82
+                      last_authenticated_at: '2021-10-14T00:53:32-06:00'
                       assignee:
                         login: octokitten
                         id: 1
@@ -20346,6 +20355,13 @@ paths:
                           enum:
                           - active
                           - deleted
+                        azure_subscription:
+                          type:
+                          - string
+                          - 'null'
+                          description: Azure subscription ID associated with the cost
+                            center. Only present for cost centers linked to Azure
+                            subscriptions.
                         resources:
                           type: array
                           items:
@@ -20371,11 +20387,18 @@ paths:
                     - id: 2eeb8ffe-6903-11ee-8c99-0242ac120002
                       name: Cost Center Name
                       state: active
+                      azure_subscription: aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee
                       resources:
                       - type: User
                         name: Monalisa
                       - type: Repo
                         name: octocat/hello-world
+                    - id: 3ffb9ffe-6903-11ee-8c99-0242ac120003
+                      name: Another Cost Center
+                      state: active
+                      resources:
+                      - type: User
+                        name: Octocat
         '400': *14
         '403': *27
         '500': *88
@@ -20428,6 +20451,18 @@ paths:
                   name:
                     type: string
                     description: Name of the cost center
+                  azure_subscription:
+                    type:
+                    - string
+                    - 'null'
+                    description: Azure subscription ID associated with the cost center.
+                      Only present for cost centers linked to Azure subscriptions.
+                  state:
+                    type: string
+                    description: State of the cost center.
+                    enum:
+                    - active
+                    - deleted
                   resources:
                     type: array
                     description: List of resources assigned to this cost center
@@ -20518,6 +20553,18 @@ paths:
                   name:
                     type: string
                     description: Name of the cost center.
+                  azure_subscription:
+                    type:
+                    - string
+                    - 'null'
+                    description: Azure subscription ID associated with the cost center.
+                      Only present for cost centers linked to Azure subscriptions.
+                  state:
+                    type: string
+                    description: State of the cost center.
+                    enum:
+                    - active
+                    - deleted
                   resources:
                     type: array
                     items:
@@ -20539,8 +20586,10 @@ paths:
               examples:
                 default: &159
                   value:
-                  - id: 2eeb8ffe-6903-11ee-8c99-0242ac120002
+                    id: 2eeb8ffe-6903-11ee-8c99-0242ac120002
                     name: Cost Center Name
+                    state: active
+                    azure_subscription: aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee
                     resources:
                     - type: User
                       name: Monalisa
@@ -41437,6 +41486,7 @@ paths:
                     pending_cancellation_date: 
                     last_activity_at: '2021-10-14T00:53:32-06:00'
                     last_activity_editor: vscode/1.77.3/copilot/1.86.82
+                    last_authenticated_at: '2021-10-14T00:53:32-06:00'
                     plan_type: business
                     assignee:
                       login: octocat
diff --git a/descriptions-next/ghec/ghec.2022-11-28.json b/descriptions-next/ghec/ghec.2022-11-28.json
index 0d1ccb472..41abcb4ca 100644
--- a/descriptions-next/ghec/ghec.2022-11-28.json
+++ b/descriptions-next/ghec/ghec.2022-11-28.json
@@ -10009,6 +10009,21 @@
                       "type": "string",
                       "description": "Name of the cost center"
                     },
+                    "azure_subscription": {
+                      "type": [
+                        "string",
+                        "null"
+                      ],
+                      "description": "Azure subscription ID associated with the cost center. Only present for cost centers linked to Azure subscriptions."
+                    },
+                    "state": {
+                      "type": "string",
+                      "description": "State of the cost center.",
+                      "enum": [
+                        "active",
+                        "deleted"
+                      ]
+                    },
                     "resources": {
                       "type": "array",
                       "description": "List of resources assigned to this cost center",
@@ -119719,6 +119734,14 @@
             ],
             "description": "Last editor that was used by the user for a GitHub Copilot completion."
           },
+          "last_authenticated_at": {
+            "type": [
+              "string",
+              "null"
+            ],
+            "format": "date-time",
+            "description": "Timestamp of the last time the user authenticated with GitHub Copilot, in ISO 8601 format."
+          },
           "created_at": {
             "type": "string",
             "format": "date-time",
@@ -123246,6 +123269,13 @@
                     "deleted"
                   ]
                 },
+                "azure_subscription": {
+                  "type": [
+                    "string",
+                    "null"
+                  ],
+                  "description": "Azure subscription ID associated with the cost center. Only present for cost centers linked to Azure subscriptions."
+                },
                 "resources": {
                   "type": "array",
                   "items": {
@@ -123287,6 +123317,21 @@
             "type": "string",
             "description": "Name of the cost center."
           },
+          "azure_subscription": {
+            "type": [
+              "string",
+              "null"
+            ],
+            "description": "Azure subscription ID associated with the cost center. Only present for cost centers linked to Azure subscriptions."
+          },
+          "state": {
+            "type": "string",
+            "description": "State of the cost center.",
+            "enum": [
+              "active",
+              "deleted"
+            ]
+          },
           "resources": {
             "type": "array",
             "items": {
@@ -303355,6 +303400,7 @@
               "pending_cancellation_date": null,
               "last_activity_at": "2021-10-14T00:53:32-06:00",
               "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+              "last_authenticated_at": "2021-10-14T00:53:32-06:00",
               "plan_type": "business",
               "assignee": {
                 "login": "octocat",
@@ -303398,6 +303444,7 @@
               "pending_cancellation_date": "2021-11-01",
               "last_activity_at": "2021-10-13T00:53:32-06:00",
               "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+              "last_authenticated_at": "2021-10-14T00:53:32-06:00",
               "assignee": {
                 "login": "octokitten",
                 "id": 1,
@@ -304546,6 +304593,7 @@
               "id": "2eeb8ffe-6903-11ee-8c99-0242ac120002",
               "name": "Cost Center Name",
               "state": "active",
+              "azure_subscription": "aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee",
               "resources": [
                 {
                   "type": "User",
@@ -304556,27 +304604,38 @@
                   "name": "octocat/hello-world"
                 }
               ]
+            },
+            {
+              "id": "3ffb9ffe-6903-11ee-8c99-0242ac120003",
+              "name": "Another Cost Center",
+              "state": "active",
+              "resources": [
+                {
+                  "type": "User",
+                  "name": "Octocat"
+                }
+              ]
             }
           ]
         }
       },
       "get-cost-center": {
-        "value": [
-          {
-            "id": "2eeb8ffe-6903-11ee-8c99-0242ac120002",
-            "name": "Cost Center Name",
-            "resources": [
-              {
-                "type": "User",
-                "name": "Monalisa"
-              },
-              {
-                "type": "Repo",
-                "name": "octocat/hello-world"
-              }
-            ]
-          }
-        ]
+        "value": {
+          "id": "2eeb8ffe-6903-11ee-8c99-0242ac120002",
+          "name": "Cost Center Name",
+          "state": "active",
+          "azure_subscription": "aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee",
+          "resources": [
+            {
+              "type": "User",
+              "name": "Monalisa"
+            },
+            {
+              "type": "Repo",
+              "name": "octocat/hello-world"
+            }
+          ]
+        }
       },
       "delete-cost-center": {
         "value": {
@@ -309165,6 +309224,7 @@
           "pending_cancellation_date": null,
           "last_activity_at": "2021-10-14T00:53:32-06:00",
           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
           "plan_type": "business",
           "assignee": {
             "login": "octocat",
diff --git a/descriptions-next/ghec/ghec.2022-11-28.yaml b/descriptions-next/ghec/ghec.2022-11-28.yaml
index 57e924451..513e39bce 100644
--- a/descriptions-next/ghec/ghec.2022-11-28.yaml
+++ b/descriptions-next/ghec/ghec.2022-11-28.yaml
@@ -7048,6 +7048,18 @@ paths:
                   name:
                     type: string
                     description: Name of the cost center
+                  azure_subscription:
+                    type:
+                    - string
+                    - 'null'
+                    description: Azure subscription ID associated with the cost center.
+                      Only present for cost centers linked to Azure subscriptions.
+                  state:
+                    type: string
+                    description: State of the cost center.
+                    enum:
+                    - active
+                    - deleted
                   resources:
                     type: array
                     description: List of resources assigned to this cost center
@@ -86581,6 +86593,13 @@ components:
           - 'null'
           description: Last editor that was used by the user for a GitHub Copilot
             completion.
+        last_authenticated_at:
+          type:
+          - string
+          - 'null'
+          format: date-time
+          description: Timestamp of the last time the user authenticated with GitHub
+            Copilot, in ISO 8601 format.
         created_at:
           type: string
           format: date-time
@@ -89238,6 +89257,12 @@ components:
                 enum:
                 - active
                 - deleted
+              azure_subscription:
+                type:
+                - string
+                - 'null'
+                description: Azure subscription ID associated with the cost center.
+                  Only present for cost centers linked to Azure subscriptions.
               resources:
                 type: array
                 items:
@@ -89265,6 +89290,18 @@ components:
         name:
           type: string
           description: Name of the cost center.
+        azure_subscription:
+          type:
+          - string
+          - 'null'
+          description: Azure subscription ID associated with the cost center. Only
+            present for cost centers linked to Azure subscriptions.
+        state:
+          type: string
+          description: State of the cost center.
+          enum:
+          - active
+          - deleted
         resources:
           type: array
           items:
@@ -223156,6 +223193,7 @@ components:
           pending_cancellation_date: 
           last_activity_at: '2021-10-14T00:53:32-06:00'
           last_activity_editor: vscode/1.77.3/copilot/1.86.82
+          last_authenticated_at: '2021-10-14T00:53:32-06:00'
           plan_type: business
           assignee:
             login: octocat
@@ -223195,6 +223233,7 @@ components:
           pending_cancellation_date: '2021-11-01'
           last_activity_at: '2021-10-13T00:53:32-06:00'
           last_activity_editor: vscode/1.77.3/copilot/1.86.82
+          last_authenticated_at: '2021-10-14T00:53:32-06:00'
           assignee:
             login: octokitten
             id: 1
@@ -224087,15 +224126,24 @@ components:
         - id: 2eeb8ffe-6903-11ee-8c99-0242ac120002
           name: Cost Center Name
           state: active
+          azure_subscription: aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee
           resources:
           - type: User
             name: Monalisa
           - type: Repo
             name: octocat/hello-world
+        - id: 3ffb9ffe-6903-11ee-8c99-0242ac120003
+          name: Another Cost Center
+          state: active
+          resources:
+          - type: User
+            name: Octocat
     get-cost-center:
       value:
-      - id: 2eeb8ffe-6903-11ee-8c99-0242ac120002
+        id: 2eeb8ffe-6903-11ee-8c99-0242ac120002
         name: Cost Center Name
+        state: active
+        azure_subscription: aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee
         resources:
         - type: User
           name: Monalisa
@@ -228024,6 +228072,7 @@ components:
         pending_cancellation_date: 
         last_activity_at: '2021-10-14T00:53:32-06:00'
         last_activity_editor: vscode/1.77.3/copilot/1.86.82
+        last_authenticated_at: '2021-10-14T00:53:32-06:00'
         plan_type: business
         assignee:
           login: octocat
diff --git a/descriptions-next/ghec/ghec.json b/descriptions-next/ghec/ghec.json
index 0d1ccb472..41abcb4ca 100644
--- a/descriptions-next/ghec/ghec.json
+++ b/descriptions-next/ghec/ghec.json
@@ -10009,6 +10009,21 @@
                       "type": "string",
                       "description": "Name of the cost center"
                     },
+                    "azure_subscription": {
+                      "type": [
+                        "string",
+                        "null"
+                      ],
+                      "description": "Azure subscription ID associated with the cost center. Only present for cost centers linked to Azure subscriptions."
+                    },
+                    "state": {
+                      "type": "string",
+                      "description": "State of the cost center.",
+                      "enum": [
+                        "active",
+                        "deleted"
+                      ]
+                    },
                     "resources": {
                       "type": "array",
                       "description": "List of resources assigned to this cost center",
@@ -119719,6 +119734,14 @@
             ],
             "description": "Last editor that was used by the user for a GitHub Copilot completion."
           },
+          "last_authenticated_at": {
+            "type": [
+              "string",
+              "null"
+            ],
+            "format": "date-time",
+            "description": "Timestamp of the last time the user authenticated with GitHub Copilot, in ISO 8601 format."
+          },
           "created_at": {
             "type": "string",
             "format": "date-time",
@@ -123246,6 +123269,13 @@
                     "deleted"
                   ]
                 },
+                "azure_subscription": {
+                  "type": [
+                    "string",
+                    "null"
+                  ],
+                  "description": "Azure subscription ID associated with the cost center. Only present for cost centers linked to Azure subscriptions."
+                },
                 "resources": {
                   "type": "array",
                   "items": {
@@ -123287,6 +123317,21 @@
             "type": "string",
             "description": "Name of the cost center."
           },
+          "azure_subscription": {
+            "type": [
+              "string",
+              "null"
+            ],
+            "description": "Azure subscription ID associated with the cost center. Only present for cost centers linked to Azure subscriptions."
+          },
+          "state": {
+            "type": "string",
+            "description": "State of the cost center.",
+            "enum": [
+              "active",
+              "deleted"
+            ]
+          },
           "resources": {
             "type": "array",
             "items": {
@@ -303355,6 +303400,7 @@
               "pending_cancellation_date": null,
               "last_activity_at": "2021-10-14T00:53:32-06:00",
               "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+              "last_authenticated_at": "2021-10-14T00:53:32-06:00",
               "plan_type": "business",
               "assignee": {
                 "login": "octocat",
@@ -303398,6 +303444,7 @@
               "pending_cancellation_date": "2021-11-01",
               "last_activity_at": "2021-10-13T00:53:32-06:00",
               "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+              "last_authenticated_at": "2021-10-14T00:53:32-06:00",
               "assignee": {
                 "login": "octokitten",
                 "id": 1,
@@ -304546,6 +304593,7 @@
               "id": "2eeb8ffe-6903-11ee-8c99-0242ac120002",
               "name": "Cost Center Name",
               "state": "active",
+              "azure_subscription": "aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee",
               "resources": [
                 {
                   "type": "User",
@@ -304556,27 +304604,38 @@
                   "name": "octocat/hello-world"
                 }
               ]
+            },
+            {
+              "id": "3ffb9ffe-6903-11ee-8c99-0242ac120003",
+              "name": "Another Cost Center",
+              "state": "active",
+              "resources": [
+                {
+                  "type": "User",
+                  "name": "Octocat"
+                }
+              ]
             }
           ]
         }
       },
       "get-cost-center": {
-        "value": [
-          {
-            "id": "2eeb8ffe-6903-11ee-8c99-0242ac120002",
-            "name": "Cost Center Name",
-            "resources": [
-              {
-                "type": "User",
-                "name": "Monalisa"
-              },
-              {
-                "type": "Repo",
-                "name": "octocat/hello-world"
-              }
-            ]
-          }
-        ]
+        "value": {
+          "id": "2eeb8ffe-6903-11ee-8c99-0242ac120002",
+          "name": "Cost Center Name",
+          "state": "active",
+          "azure_subscription": "aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee",
+          "resources": [
+            {
+              "type": "User",
+              "name": "Monalisa"
+            },
+            {
+              "type": "Repo",
+              "name": "octocat/hello-world"
+            }
+          ]
+        }
       },
       "delete-cost-center": {
         "value": {
@@ -309165,6 +309224,7 @@
           "pending_cancellation_date": null,
           "last_activity_at": "2021-10-14T00:53:32-06:00",
           "last_activity_editor": "vscode/1.77.3/copilot/1.86.82",
+          "last_authenticated_at": "2021-10-14T00:53:32-06:00",
           "plan_type": "business",
           "assignee": {
             "login": "octocat",
diff --git a/descriptions-next/ghec/ghec.yaml b/descriptions-next/ghec/ghec.yaml
index 57e924451..513e39bce 100644
--- a/descriptions-next/ghec/ghec.yaml
+++ b/descriptions-next/ghec/ghec.yaml
@@ -7048,6 +7048,18 @@ paths:
                   name:
                     type: string
                     description: Name of the cost center
+                  azure_subscription:
+                    type:
+                    - string
+                    - 'null'
+                    description: Azure subscription ID associated with the cost center.
+                      Only present for cost centers linked to Azure subscriptions.
+                  state:
+                    type: string
+                    description: State of the cost center.
+                    enum:
+                    - active
+                    - deleted
                   resources:
                     type: array
                     description: List of resources assigned to this cost center
@@ -86581,6 +86593,13 @@ components:
           - 'null'
           description: Last editor that was used by the user for a GitHub Copilot
             completion.
+        last_authenticated_at:
+          type:
+          - string
+          - 'null'
+          format: date-time
+          description: Timestamp of the last time the user authenticated with GitHub
+            Copilot, in ISO 8601 format.
         created_at:
           type: string
           format: date-time
@@ -89238,6 +89257,12 @@ components:
                 enum:
                 - active
                 - deleted
+              azure_subscription:
+                type:
+                - string
+                - 'null'
+                description: Azure subscription ID associated with the cost center.
+                  Only present for cost centers linked to Azure subscriptions.
               resources:
                 type: array
                 items:
@@ -89265,6 +89290,18 @@ components:
         name:
           type: string
           description: Name of the cost center.
+        azure_subscription:
+          type:
+          - string
+          - 'null'
+          description: Azure subscription ID associated with the cost center. Only
+            present for cost centers linked to Azure subscriptions.
+        state:
+          type: string
+          description: State of the cost center.
+          enum:
+          - active
+          - deleted
         resources:
           type: array
           items:
@@ -223156,6 +223193,7 @@ components:
           pending_cancellation_date: 
           last_activity_at: '2021-10-14T00:53:32-06:00'
           last_activity_editor: vscode/1.77.3/copilot/1.86.82
+          last_authenticated_at: '2021-10-14T00:53:32-06:00'
           plan_type: business
           assignee:
             login: octocat
@@ -223195,6 +223233,7 @@ components:
           pending_cancellation_date: '2021-11-01'
           last_activity_at: '2021-10-13T00:53:32-06:00'
           last_activity_editor: vscode/1.77.3/copilot/1.86.82
+          last_authenticated_at: '2021-10-14T00:53:32-06:00'
           assignee:
             login: octokitten
             id: 1
@@ -224087,15 +224126,24 @@ components:
         - id: 2eeb8ffe-6903-11ee-8c99-0242ac120002
           name: Cost Center Name
           state: active
+          azure_subscription: aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee
           resources:
           - type: User
             name: Monalisa
           - type: Repo
             name: octocat/hello-world
+        - id: 3ffb9ffe-6903-11ee-8c99-0242ac120003
+          name: Another Cost Center
+          state: active
+          resources:
+          - type: User
+            name: Octocat
     get-cost-center:
       value:
-      - id: 2eeb8ffe-6903-11ee-8c99-0242ac120002
+        id: 2eeb8ffe-6903-11ee-8c99-0242ac120002
         name: Cost Center Name
+        state: active
+        azure_subscription: aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee
         resources:
         - type: User
           name: Monalisa
@@ -228024,6 +228072,7 @@ components:
         pending_cancellation_date: 
         last_activity_at: '2021-10-14T00:53:32-06:00'
         last_activity_editor: vscode/1.77.3/copilot/1.86.82
+        last_authenticated_at: '2021-10-14T00:53:32-06:00'
         plan_type: business
         assignee:
           login: octocat