{
  "invoiceNumber": "RE-2026-1004",
  "issueDate": "2026-10-21",
  "dueDate": "2026-11-20",
  "deliveryDate": "2026-10-20",
  "currency": "EUR",
  "buyerReference": "04011000-IT2026-96",
  "note": "Fiktive Beispielrechnung von NormAPI, frei nutzbar (CC0). Namen, Nummern und Konten sind erfunden.",
  "seller": {
    "name": "Muster Software GmbH",
    "vatId": "DE123456789",
    "electronicAddress": "rechnung@muster-software.example",
    "address": {
      "street": "Beispielstraße 12",
      "city": "Berlin",
      "postcode": "10115",
      "country": "DE"
    },
    "contact": {
      "name": "Maria Muster",
      "phone": "+49 30 1234567",
      "email": "maria.muster@muster-software.example"
    }
  },
  "buyer": {
    "name": "Landesamt für Beispielwesen",
    "electronicAddress": "04011000-IT2026-96",
    "electronicAddressScheme": "0204",
    "address": {
      "street": "Behördenallee 1",
      "city": "Musterstadt",
      "postcode": "28203",
      "country": "DE"
    }
  },
  "payment": {
    "meansCode": "58",
    "iban": "DE17100500000123456789",
    "reference": "RE-2026-1004",
    "accountName": "Muster Software GmbH",
    "bic": "BELADEBEXXX"
  },
  "paymentTerms": "Zahlbar innerhalb von 30 Tagen ohne Abzug.",
  "lines": [
    {
      "name": "Wartung Fachverfahren, 4. Quartal 2026",
      "description": "Wartungsvertrag V-2026-117",
      "quantity": 1,
      "unit": "LS",
      "unitPrice": 7500.00,
      "vatCategory": "S",
      "vatRate": 19
    },
    {
      "name": "Störungsbehebung außerhalb der Vertragszeiten",
      "quantity": 3,
      "unit": "HUR",
      "unitPrice": 115.00,
      "vatCategory": "S",
      "vatRate": 19
    }
  ]
}