diff --git a/models/application/metadata-no-id.json b/models/application/metadata-no-id.json
index a6b4b78ad39d63f6090b6f89d8291aaeee03f6a7..3721b0357678d0ef84ce35bc4d3812c1ecc1ac29 100644
--- a/models/application/metadata-no-id.json
+++ b/models/application/metadata-no-id.json
@@ -158,6 +158,26 @@
           "type": "string",
           "format": "date",
           "description": "Antragsdatum"
+        },
+        "notes": {
+          "type": "array",
+          "items": {
+            "type": "object",
+            "properties": {
+              "description": {
+                "type": "string"
+              },
+              "identifier": {
+                "$ref": "../common/identifier.json"
+              },
+              "reference": {
+                "type": "string"
+              }
+            },
+            "required": [
+              "description"
+            ]
+          }
         }
       }
     }