Glossary
UBL 2.1 (Universal Business Language)
OASIS XML standard for business exchanges
UBL 2.1 is an OASIS-maintained XML standard for business exchanges (invoices, orders, delivery notes). Pure XML format (no PDF), widely adopted by European public administrations and required for Peppol.
Key facts
- Pure XML, no visual layer
- Adopted by Peppol for B2G/B2B
- EN 16931 compliant
- More verbose than CII