Validation rules

BR-20 — EN 16931 rule

The tax representative's postal address must contain a country code (BT-69).

Rule: BR-20 — official EN 16931 / XRechnung rule
Severity: error
Business term: BT-69
Detected by: tier 3 — KoSIT validator (authoritative)
Reachability: Not expressible through the normbill invoice model — documented for completeness

The normbill invoice model has no tax representative party (BG-11).

How to fix it

Add cac:Country/cbc:IdentificationCode to the tax representative's postal address.

BR-20 auf Deutsch — was bedeutet der Fehler?

In der Anschrift des Steuervertreters fehlt der Ländercode (BT-69).

So beheben Sie den Fehler

Ergänzen Sie cac:Country/cbc:IdentificationCode in der Anschrift des Steuervertreters.

Related rules

BR-19 — A seller tax representative (BG-11) must carry a postal address (BG-12).
BR-21 — An invoice line has no line identifier (BT-126).
BR-18 — A seller tax representative (BG-11) must state the representative's name (BT-62).
BR-22 — An invoice line has no invoiced quantity (BT-129).
BR-17 — A payee (BG-10) that differs from the seller must state the payee name (BT-59).
BR-23 — An invoiced quantity has no unit of measure code (BT-130).

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.

Or try it live: drop any XRechnung XML on the free validator — same KoSIT-backed report, no account.