Validation rules

BR-38 — EN 16931 rule

A document-level charge must state what it is for (BT-104/BT-105).

Rule: BR-38 — official EN 16931 / XRechnung rule
Severity: error
Business term: BT-104

How to fix it

Set the charge's reason (e.g. "Versandkosten") or a UNCL 7161 reason_code.

BR-38 auf Deutsch — was bedeutet der Fehler?

Ein Zuschlag auf Dokumentebene muss benannt werden (BT-104 Freitext oder BT-105 Code).

So beheben Sie den Fehler

Setzen Sie reason (z. B. "Versandkosten") oder einen reason_code aus der Codeliste UNCL 7161.

Related rules

BR-CO-22 — A document-level charge (BG-21) carries neither a reason text (BT-104) nor a reason code (BT-105) — at least…
BR-37 — A document-level charge needs a VAT category (BT-102); it cannot be inherited because the lines use more…
BR-36 — A document-level charge (BG-21) has no charge amount (BT-99).
BR-41 — An invoice line allowance (BG-27) has no allowance amount (BT-136).
BR-42 — A line-level allowance must state why it is granted (BT-139/BT-140).
BR-33 — A document-level allowance must state why it is granted (BT-97/BT-98).

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.