Validation rules

CVC-ENUMERATION-VALID

CVC-ENUMERATION-VALID is an official EN 16931 / XRechnung rule checked by the KoSIT validator — the authoritative reference implementation normbill validates against.

We haven't written a curated explanation for this rule yet. The validation issue that pointed you here carries the official rule text; where possible the API also maps the finding back to the field in your request JSON.

Official sources

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.

Hit this rule and the message wasn't enough? Email support@normbill.com with the rule id — curated explanations are added based on real traffic.

Validation rules

CVC-ENUMERATION-VALID

CVC-ENUMERATION-VALID is an official EN 16931 / XRechnung rule checked by the KoSIT validator — the authoritative reference implementation normbill validates against.

Official sources

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.

Hit this rule and the message wasn't enough? Email support@normbill.com with the rule id — curated explanations are added based on real traffic.