Validation rules
PEPPOL-EN16931-R121
An item price base quantity must be a positive number above zero.
- Rule
PEPPOL-EN16931-R121— official EN 16931 / XRechnung rule- Severity
- error
- Detected by
- tier 3 — KoSIT validator (authoritative)
- Reachability
- Not expressible through the normbill invoice model — documented for completeness
The normbill invoice model has no price base quantity (BT-149); the serializer never writes one.
How to fix it
Use a positive cbc:BaseQuantity, or omit it (it defaults to 1).
PEPPOL-EN16931-R121 auf Deutsch — was bedeutet der Fehler?
Eine Preis-Basismenge muss eine positive Zahl größer null sein.
So beheben Sie den Fehler
Verwenden Sie eine positive cbc:BaseQuantity — oder lassen Sie sie weg.
Official sources
- XRechnung specification (KoSIT / xeinkauf.de)
- KoSIT validator on GitHub and the XRechnung validator configuration
Every 422 from the API lists the rule id, the path in your request JSON, a plain-language message and a suggested fix — see the docs overview for the report format.