einvoice / EN 16931 / XRechnung rule reference

BR-CO-23

Each Invoice line allowance (BG-27) shall contain an Invoice line allowance reason (BT-139) or an Invoice line allowance reason code (BT-140), or both.

Jeder NACHLASS AUF EBENE DER RECHNUNGSPOSITION (BG-27) muss einen Grund für den Nachlass auf Ebene der Rechnungsposition (BT-139) oder einen Code für den Grund des Nachlasses auf Ebene der Rechnungsposition (BT-140) oder beides enthalten.

Deutsche Fassung: Übersetzung der gleichen BT/BG-Semantik (translation — not the official assert).

Requires: Each Invoice line allowance (BG-27) shall contain an Invoice line allowance reason (BT-139) or an Invoice line allowance reason code (BT-140), or both.
Business terms: BG-27 BT-139 BT-140
Syntax: Binds the UBL-2.1 Invoice / CreditNote syntax and the UN/CEFACT-CII syntax
Location (UBL-2.1 path): //cac:InvoiceLine/cac:AllowanceCharge[cbc:ChargeIndicator = false()]
Fix: Add the required element at `//cac:InvoiceLine/cac:AllowanceCharge[cbc:ChargeIndicator = false()]`: Each Invoice line allowance (BG-27) shall contain an Invoice line allowance reason (BT-139) or an Invoice line allowance reason code (BT-140), or both.
Fix (Deutsch): Ergänzen Sie das erforderliche Element bei `//cac:InvoiceLine/cac:AllowanceCharge[cbc:ChargeIndicator = false()]`: Jeder NACHLASS AUF EBENE DER RECHNUNGSPOSITION (BG-27) muss einen Grund für den Nachlass auf Ebene der Rechnungsposition (BT-139) oder einen Code für den Grund des Nachlasses auf Ebene der Rechnungsposition (BT-140) oder beides enthalten.
Severity: fatal
Provenance source: en16931-ubl
Provenance assert: Each Invoice line allowance (BG-27) shall contain an Invoice line allowance reason (BT-139) or an Invoice line allowance reason code (BT-140), or both.

The Location above is a UBL-2.1 path, and no UN/CEFACT-CII path for this rule is published here; Fix and Fix (Deutsch), verbatim from remediation_catalog.json and not reworded here; the UN/CEFACT-CII binding of this rule is differentially proven against the official CEN EN 16931 1.3.16 Schematron.

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German remediation (--lang de) — the German fix for this rule is in the section above; the CLI surfaces it in place of the English message with --lang de.
Quickstart / free on-ramp — the README, a copy-paste CI-gate recipe, and a 5-minute worked walkthrough.

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