Validation rules
BR-57
A deliver-to address (BG-15) must contain a country code (BT-80).
- Rule
BR-57— official EN 16931 / XRechnung rule- Severity
- error
- Business term
BT-80— Deliver-to country code- Field in your JSON
invoice.delivery_address.country- Detected by
- tier 3 — KoSIT validator (authoritative)
- Reachability
- Not expressible through the normbill invoice model — documented for completeness
The normbill invoice model carries only the delivery date (BT-72), not a deliver-to address (BG-15).
How to fix it
Add cac:Country/cbc:IdentificationCode to the delivery address.
BR-57 auf Deutsch — was bedeutet der Fehler?
Eine Lieferanschrift (BG-15) muss einen Ländercode (BT-80) enthalten.
So beheben Sie den Fehler
Ergänzen Sie cac:Country/cbc:IdentificationCode in der Lieferanschrift.
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.
Or try it live: drop any XRechnung XML on the free validator — same KoSIT-backed report, no account.