What this validator checks for France
- French VAT key calculated from the SIREN
- EN 16931 mandatory fields and calculations
- Exemption reasons for exempt (E) and reverse-charge (AE) lines
- Electronic address schemes against the EAS code list
- Payment terms or due date when an amount is due (BR-CO-25)
UBL in the French reform
France accepts UBL 2.1, UN/CEFACT CII and Factur-X as core formats. UBL is a pure XML format without a visual PDF, which makes it the easiest for automated processing. A UBL invoice that passes EN 16931 is a solid base; your plateforme agréée adds the French extensions.