{
  "invoice": [
    {
      "issuer": {
        "vatNumber": "123456789",
        "country": "GR",
        "branch": 0
      },
      "invoiceHeader": {
        "series": "A",
        "aa": "1021",
        "issueDate": "2026-09-24",
        "invoiceType": "8.6",
        "currency": "EUR",
        "multipleConnectedMarks": [
          400001930000013
        ],
        "tableAA": "3C1B2A77-0D4E-4F5B-9C61-2B8E7A9D0F12",
        "totalCancelDeliveryOrders": true
      },
      "invoiceDetails": [
        {
          "lineNumber": 1,
          "lineCode": "#0",
          "itemDescr": "ΚΑΘΟΛΙΚΗ ΑΚΥΡΩΣΗ",
          "quantity": 1,
          "measurementUnit": 1,
          "measurementUnitLabel": "ΤΜΧ",
          "lineUnitPrice": 0,
          "totalNetPriceBeforeDiscount": 0,
          "totalDiscountValue": 0,
          "netValue": 0,
          "vatCategory": 8,
          "vatCategoryPercent": 0,
          "vatAmount": 0,
          "lineDescription": "ΚΑΘΟΛΙΚΗ ΑΚΥΡΩΣΗ"
        }
      ],
      "invoiceSummary": {
        "totalNetValue": 0,
        "totalVatAmount": 0,
        "totalWithheldAmount": 0,
        "totalFeesAmount": 0,
        "totalStampDutyAmount": 0,
        "totalOtherTaxesAmount": 0,
        "totalDeductionsAmount": 0,
        "totalGrossValue": 0
      },
      "providerAdditionalInvoiceDetails": {
        "issuer": {
          "name": "TEST ISSUER ΙΚΕ",
          "profession": "Εμπόριο ειδών θέρμανσης",
          "taxoffice": "Α' Αθηνών",
          "addressStreet": "Οδός Δοκιμής",
          "addressNumber": "1",
          "addressPostalCode": "10431",
          "addressCity": "Αθήνα",
          "addressCountry": "Ελλάδα",
          "phone": "2100000000",
          "email": "info@example.com",
          "webSite": "www.example.com",
          "registryNumber": "ΓΕΜΗ: 000000000000",
          "emtyLine2": "IBAN: GR00 0000 0000 0000 0000 0000 000"
        },
        "additionalDetails": {
          "documentLabel": "ΔΕΛΤΙΟ ΠΑΡΑΓΓΕΛΙΑΣ - ΚΑΘΟΛΙΚΗ ΑΚΥΡΩΣΗ",
          "documentLanguageCode": "EL",
          "documentSizeCode": 7,
          "paymentMethodInvoiceLabel": "Επί πιστώσει"
        }
      }
    }
  ]
}