XRechnung requires seller contact details (BG-6).
UBL: add cac:Contact with Name, Telephone and ElectronicMail on the seller (see BR-DE-5/6/7).
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