Validation rules
BR-63
The buyer electronic address (BT-49) has no scheme identifier.
- Rule
BR-63— official EN 16931 / XRechnung rule- Severity
- error
- Business term
BT-49— Buyer electronic address- Field in your JSON
invoice.buyer.electronic_address- Detected by
- tier 3 — KoSIT validator (authoritative)
- Reachability
- Only reachable when validating your own XML — normbill-generated documents cannot trigger it
invoice.buyer.electronic_address.scheme defaults to "EM" in the request schema, so generated endpoints always carry a scheme.
How to fix it
Set the schemeID attribute on the customer cbc:EndpointID to an EAS code, e.g. EM for email.
BR-63 auf Deutsch — was bedeutet der Fehler?
Der elektronischen Adresse des Käufers (BT-49) fehlt die Schema-Kennung.
So beheben Sie den Fehler
Setzen Sie das schemeID-Attribut auf der cbc:EndpointID des Käufers auf einen EAS-Code, z. B. EM für E-Mail.
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.