einvoice / EN 16931 / XRechnung rule reference

BR-DE-30

DIRECT DEBIT (BG-19) requires the Bank assigned creditor identifier (BT-90: a SEPA-scheme PartyIdentification of the seller or payee).

Wenn "DIRECT DEBIT" BG-19 vorhanden ist, dann muss "Bank assigned creditor identifier" BT-90 übermittelt werden.

Deutsche Fassung: Amtlicher KoSIT-Text (official KoSIT assert text).

Requires: DIRECT DEBIT (BG-19) requires the Bank assigned creditor identifier (BT-90: a SEPA-scheme PartyIdentification of the seller or payee).
Business terms: BG-19 BT-90
Syntax: Binds the UBL-2.1 Invoice / CreditNote syntax and the UN/CEFACT-CII syntax
Location (UBL-2.1 path): cac:PaymentMeans/cac:PaymentMandate
Fix: Correct `cac:PaymentMeans/cac:PaymentMandate` so that DIRECT DEBIT (BG-19) requires the Bank assigned creditor identifier (BT-90: a SEPA-scheme PartyIdentification of the seller or payee).
Fix (Deutsch): Korrigieren Sie `cac:PaymentMeans/cac:PaymentMandate`, sodass gilt: Wenn "DIRECT DEBIT" BG-19 vorhanden ist, dann muss "Bank assigned creditor identifier" BT-90 übermittelt werden.
Severity: fatal
Provenance source: xrechnung-ubl
Provenance assert: Wenn "DIRECT DEBIT" BG-19 vorhanden ist, dann muss "Bank assigned creditor identifier" BT-90 übermittelt werden.

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 KoSIT XRechnung 2.5.0 (XRechnung 3.0.2) Schematron.

Everything here is free and open source — pick up whatever helps, at your own pace:

Licensing — Apache-2.0 for everyone, including closed-source embedding; an optional $29 / $290 commercial license adds support and rule-corpus update notices.
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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