The invoice type code (BT-3, UNTDID 1001) is mandatory — e.g. 380 for invoice, 381 for credit note.
UBL: <cbc:InvoiceTypeCode>380</cbc:InvoiceTypeCode>. CII: ram:TypeCode inside ExchangedDocument.
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billhorse.comRule source: EN 16931 / XRechnung (KOSIT) or Billhorse check (BH-*). · All validation rules · Back to the validator