The seller name (BT-27) is mandatory.
UBL: PartyLegalEntity/RegistrationName under AccountingSupplierParty. CII: ram:Name in SellerTradeParty.
The Billhorse validator checks XRechnung, ZUGFeRD and Factur-X right in your browser — your file is never uploaded.
billhorse.comRule source: EN 16931 / XRechnung (KOSIT) or Billhorse check (BH-*). · All validation rules · Back to the validator