Hungary

type CreditNote {
  // ...all generic credit note fields
  invoiceRefs: string[],
  lines: InvoiceLine[];
  // ...everything from recipient
  recipient: {
    taxIdType: string;
    contact: {
      phone?: string;
    }
  },
  customInfo: {
    hun: {
      recipientVatStatus: string;
      dueDate: string;
      communityVatNumber: string;
    }
  }
}

type InvoiceLine {
  // ..other line item fields
  unit: Unit;
  itemCode: string;
  itemategory: ItemCategory;
  vat: {;
    // ...other line item VAT fields
    code: TaxCode;
    exemptReason?: string;
    exemptReasonCode?: string;
  };
}