French VAT numbers follow the pattern FR + 2 check characters + 9-digit SIREN.
Check the format (e.g. FR40123456824) — no spaces, 13 characters total.
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