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 3b1951fa13..99894c8e4d 100644
--- a/descriptions-next/ghec/dereferenced/ghec.2022-11-28.deref.json
+++ b/descriptions-next/ghec/dereferenced/ghec.2022-11-28.deref.json
@@ -82943,6 +82943,74 @@
               }
             }
           },
+          "400": {
+            "description": "Bad Request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "title": "Basic Error",
+                  "description": "Basic Error",
+                  "type": "object",
+                  "properties": {
+                    "message": {
+                      "type": "string"
+                    },
+                    "documentation_url": {
+                      "type": "string"
+                    },
+                    "url": {
+                      "type": "string"
+                    },
+                    "status": {
+                      "type": "string"
+                    }
+                  }
+                }
+              },
+              "application/scim+json": {
+                "schema": {
+                  "title": "Scim Error",
+                  "description": "Scim Error",
+                  "type": "object",
+                  "properties": {
+                    "message": {
+                      "type": [
+                        "string",
+                        "null"
+                      ]
+                    },
+                    "documentation_url": {
+                      "type": [
+                        "string",
+                        "null"
+                      ]
+                    },
+                    "detail": {
+                      "type": [
+                        "string",
+                        "null"
+                      ]
+                    },
+                    "status": {
+                      "type": "integer"
+                    },
+                    "scimType": {
+                      "type": [
+                        "string",
+                        "null"
+                      ]
+                    },
+                    "schemas": {
+                      "type": "array",
+                      "items": {
+                        "type": "string"
+                      }
+                    }
+                  }
+                }
+              }
+            }
+          },
           "404": {
             "description": "Resource not found",
             "content": {
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 2ef2c098ce..ba63988a10 100644
--- a/descriptions-next/ghec/dereferenced/ghec.2022-11-28.deref.yaml
+++ b/descriptions-next/ghec/dereferenced/ghec.2022-11-28.deref.yaml
@@ -29466,6 +29466,7 @@ paths:
                       override_budget_id: 2066deda-923f-43f9-88d2-62395a28c0cdd
                     has_next_page: false
                     total_count: 2
+        '400': *14
         '404': *6
         '403': *27
         '500': *35
diff --git a/descriptions-next/ghec/dereferenced/ghec.2026-03-10.deref.json b/descriptions-next/ghec/dereferenced/ghec.2026-03-10.deref.json
index ba7c763ba7..afa75a97df 100644
--- a/descriptions-next/ghec/dereferenced/ghec.2026-03-10.deref.json
+++ b/descriptions-next/ghec/dereferenced/ghec.2026-03-10.deref.json
@@ -82782,6 +82782,74 @@
               }
             }
           },
+          "400": {
+            "description": "Bad Request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "title": "Basic Error",
+                  "description": "Basic Error",
+                  "type": "object",
+                  "properties": {
+                    "message": {
+                      "type": "string"
+                    },
+                    "documentation_url": {
+                      "type": "string"
+                    },
+                    "url": {
+                      "type": "string"
+                    },
+                    "status": {
+                      "type": "string"
+                    }
+                  }
+                }
+              },
+              "application/scim+json": {
+                "schema": {
+                  "title": "Scim Error",
+                  "description": "Scim Error",
+                  "type": "object",
+                  "properties": {
+                    "message": {
+                      "type": [
+                        "string",
+                        "null"
+                      ]
+                    },
+                    "documentation_url": {
+                      "type": [
+                        "string",
+                        "null"
+                      ]
+                    },
+                    "detail": {
+                      "type": [
+                        "string",
+                        "null"
+                      ]
+                    },
+                    "status": {
+                      "type": "integer"
+                    },
+                    "scimType": {
+                      "type": [
+                        "string",
+                        "null"
+                      ]
+                    },
+                    "schemas": {
+                      "type": "array",
+                      "items": {
+                        "type": "string"
+                      }
+                    }
+                  }
+                }
+              }
+            }
+          },
           "404": {
             "description": "Resource not found",
             "content": {
diff --git a/descriptions-next/ghec/dereferenced/ghec.2026-03-10.deref.yaml b/descriptions-next/ghec/dereferenced/ghec.2026-03-10.deref.yaml
index c428f0ae2b..a15bd140e9 100644
--- a/descriptions-next/ghec/dereferenced/ghec.2026-03-10.deref.yaml
+++ b/descriptions-next/ghec/dereferenced/ghec.2026-03-10.deref.yaml
@@ -29391,6 +29391,7 @@ paths:
                       override_budget_id: 2066deda-923f-43f9-88d2-62395a28c0cdd
                     has_next_page: false
                     total_count: 2
+        '400': *14
         '404': *6
         '403': *27
         '500': *35
diff --git a/descriptions-next/ghec/dereferenced/ghec.deref.json b/descriptions-next/ghec/dereferenced/ghec.deref.json
index d7d979fee2..b6ff79cd70 100644
--- a/descriptions-next/ghec/dereferenced/ghec.deref.json
+++ b/descriptions-next/ghec/dereferenced/ghec.deref.json
@@ -83415,6 +83415,74 @@
               }
             }
           },
+          "400": {
+            "description": "Bad Request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "title": "Basic Error",
+                  "description": "Basic Error",
+                  "type": "object",
+                  "properties": {
+                    "message": {
+                      "type": "string"
+                    },
+                    "documentation_url": {
+                      "type": "string"
+                    },
+                    "url": {
+                      "type": "string"
+                    },
+                    "status": {
+                      "type": "string"
+                    }
+                  }
+                }
+              },
+              "application/scim+json": {
+                "schema": {
+                  "title": "Scim Error",
+                  "description": "Scim Error",
+                  "type": "object",
+                  "properties": {
+                    "message": {
+                      "type": [
+                        "string",
+                        "null"
+                      ]
+                    },
+                    "documentation_url": {
+                      "type": [
+                        "string",
+                        "null"
+                      ]
+                    },
+                    "detail": {
+                      "type": [
+                        "string",
+                        "null"
+                      ]
+                    },
+                    "status": {
+                      "type": "integer"
+                    },
+                    "scimType": {
+                      "type": [
+                        "string",
+                        "null"
+                      ]
+                    },
+                    "schemas": {
+                      "type": "array",
+                      "items": {
+                        "type": "string"
+                      }
+                    }
+                  }
+                }
+              }
+            }
+          },
           "404": {
             "description": "Resource not found",
             "content": {
diff --git a/descriptions-next/ghec/dereferenced/ghec.deref.yaml b/descriptions-next/ghec/dereferenced/ghec.deref.yaml
index 8f7553bd89..b1fddf6c54 100644
--- a/descriptions-next/ghec/dereferenced/ghec.deref.yaml
+++ b/descriptions-next/ghec/dereferenced/ghec.deref.yaml
@@ -29639,6 +29639,7 @@ paths:
                       override_budget_id: 2066deda-923f-43f9-88d2-62395a28c0cdd
                     has_next_page: false
                     total_count: 2
+        '400': *14
         '404': *6
         '403': *27
         '500': *35
diff --git a/descriptions-next/ghec/ghec.2022-11-28.json b/descriptions-next/ghec/ghec.2022-11-28.json
index 078f92b152..12bb4c7c54 100644
--- a/descriptions-next/ghec/ghec.2022-11-28.json
+++ b/descriptions-next/ghec/ghec.2022-11-28.json
@@ -19243,6 +19243,9 @@
           "200": {
             "$ref": "#/components/responses/get-budget-user-states"
           },
+          "400": {
+            "$ref": "#/components/responses/bad_request"
+          },
           "404": {
             "$ref": "#/components/responses/not_found"
           },
diff --git a/descriptions-next/ghec/ghec.2022-11-28.yaml b/descriptions-next/ghec/ghec.2022-11-28.yaml
index 480c3a76e0..0c884dbb90 100644
--- a/descriptions-next/ghec/ghec.2022-11-28.yaml
+++ b/descriptions-next/ghec/ghec.2022-11-28.yaml
@@ -14296,6 +14296,8 @@ paths:
       responses:
         '200':
           "$ref": "#/components/responses/get-budget-user-states"
+        '400':
+          "$ref": "#/components/responses/bad_request"
         '404':
           "$ref": "#/components/responses/not_found"
         '403':
diff --git a/descriptions-next/ghec/ghec.2026-03-10.json b/descriptions-next/ghec/ghec.2026-03-10.json
index bb0b653d49..2a80655db2 100644
--- a/descriptions-next/ghec/ghec.2026-03-10.json
+++ b/descriptions-next/ghec/ghec.2026-03-10.json
@@ -19243,6 +19243,9 @@
           "200": {
             "$ref": "#/components/responses/get-budget-user-states"
           },
+          "400": {
+            "$ref": "#/components/responses/bad_request"
+          },
           "404": {
             "$ref": "#/components/responses/not_found"
           },
diff --git a/descriptions-next/ghec/ghec.2026-03-10.yaml b/descriptions-next/ghec/ghec.2026-03-10.yaml
index 985b38a458..5c137f3074 100644
--- a/descriptions-next/ghec/ghec.2026-03-10.yaml
+++ b/descriptions-next/ghec/ghec.2026-03-10.yaml
@@ -14296,6 +14296,8 @@ paths:
       responses:
         '200':
           "$ref": "#/components/responses/get-budget-user-states"
+        '400':
+          "$ref": "#/components/responses/bad_request"
         '404':
           "$ref": "#/components/responses/not_found"
         '403':
diff --git a/descriptions-next/ghec/ghec.json b/descriptions-next/ghec/ghec.json
index b27c0f24a6..0c86f62624 100644
--- a/descriptions-next/ghec/ghec.json
+++ b/descriptions-next/ghec/ghec.json
@@ -19257,6 +19257,9 @@
           "200": {
             "$ref": "#/components/responses/get-budget-user-states"
           },
+          "400": {
+            "$ref": "#/components/responses/bad_request"
+          },
           "404": {
             "$ref": "#/components/responses/not_found"
           },
diff --git a/descriptions-next/ghec/ghec.yaml b/descriptions-next/ghec/ghec.yaml
index ac85f11009..9293236d71 100644
--- a/descriptions-next/ghec/ghec.yaml
+++ b/descriptions-next/ghec/ghec.yaml
@@ -14304,6 +14304,8 @@ paths:
       responses:
         '200':
           "$ref": "#/components/responses/get-budget-user-states"
+        '400':
+          "$ref": "#/components/responses/bad_request"
         '404':
           "$ref": "#/components/responses/not_found"
         '403':