Validation rules

PEPPOL-EN16931-R001

The business process (BT-23) must be provided.

Rule: PEPPOL-EN16931-R001 — official EN 16931 / XRechnung rule
Severity: error
Detected by: tier 3 — KoSIT validator (authoritative)
Reachability: Only reachable when validating your own XML — normbill-generated documents cannot trigger it

normbill always writes a ProfileID.

How to fix it

Add cbc:ProfileID, e.g. urn:fdc:peppol.eu:2017:poacc:billing:01:1.0.

PEPPOL-EN16931-R001 auf Deutsch — was bedeutet der Fehler?

Der Geschäftsprozess (BT-23) muss übermittelt werden.

So beheben Sie den Fehler

Ergänzen Sie cbc:ProfileID, z. B. urn:fdc:peppol.eu:2017:poacc:billing:01:1.0.

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.