Glossary
EN 16931 (European norm)
European semantic e-invoice model
EN 16931 is the European norm defining the semantic model of an electronic invoice with ~160 business terms (BT-1 to BT-194 + groups BG-*). Derived from EU directive 2014/55, implemented by both UBL and CII. All business rules (BR-*) and consistency rules (BR-CO-*) are defined here.
Key facts
- Abstract semantic model
- Implemented by UBL and CII (XML syntaxes)
- BR-CO-26 rules specify optional buyer fields in B2C