{
  "endpoint": "createCustomer",
  "description": "UID-Nummer im falschen Format",
  "request": {
    "customer": {
      "type": "company",
      "name": "Café Muster GmbH",
      "street": "Hauptplatz",
      "houseNumber": "3",
      "zip": "1010",
      "city": "Wien",
      "country": "AT",
      "email": "rechnung@cafe-muster.example",
      "externalId": "shop-4711",
      "vatId": "ATU1"
    }
  },
  "expected": {
    "ok": false,
    "code": "validation",
    "fields": [
      "customer.vatId"
    ]
  }
}