Validation rules

BR-43 — EN 16931 rule

An invoice line charge (BG-28) has no charge amount (BT-141).

Rule: BR-43 — official EN 16931 / XRechnung rule
Severity: error
Business term: BT-141
Detected by: tier 3 — KoSIT validator (authoritative)
Reachability: Only reachable when validating your own XML — normbill-generated documents cannot trigger it

The request schema requires amount (or base_amount + percent) on every line charge and the serializer always writes cbc:Amount; the UBL schema makes the element mandatory too.

How to fix it

Add cbc:Amount to the line charge.

BR-43 auf Deutsch — was bedeutet der Fehler?

Ein Positionszuschlag (BG-28) hat keinen Zuschlagsbetrag (BT-141).

So beheben Sie den Fehler

Ergänzen Sie cbc:Amount im Positionszuschlag.

Related rules

BR-DEC-27 — A line-level charge amount (BT-141) has more than 2 decimal places.
BR-42 — A line-level allowance must state why it is granted (BT-139/BT-140).
BR-44 — A line-level charge must state what it is for (BT-144/BT-145).
BR-41 — An invoice line allowance (BG-27) has no allowance amount (BT-136).
BR-45 — A VAT breakdown (BG-23) has no taxable amount (BT-116).
BR-46 — A VAT breakdown (BG-23) has no tax amount (BT-117).

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.