BR-DE-31 - Direct debit requires the debited account (BT-91)
When the group DIRECT DEBIT (BG-19) is present, the Debited account identifier (BT-91) must be provided.
BR-DE-31 - Direct debit requires the debited account (BT-91)
When the group DIRECT DEBIT (BG-19) is present, the Debited account identifier (BT-91) must be provided. This is an XRechnung rule (German KoSIT CIUS). It applies on top of EN 16931 and Peppol, and is mandatory for B2G invoicing in Germany.
This is an XRechnung rule (German KoSIT CIUS). It applies on top of EN 16931 and Peppol, and is mandatory for B2G invoicing in Germany.
What this rule checks
When the group DIRECT DEBIT (BG-19) is present, the Debited account identifier (BT-91) must be provided.
How to fix it
Add the debited account identifier (BT-91) to the DIRECT DEBIT group.
Validate against this rule
This rule is part of EN 16931. Check your invoice with the validator that matches your format:
Related rules
BR-CO-25Amount due needs a due date or payment termsBR-49Payment instruction needs a means type codeBR-50Credit transfer needs an account identifierBR-51Never include a full card numberBR-61Credit-transfer means needs an account identifierPEPPOL-EN16931-R061A direct debit requires a mandate reference
Source: KoSIT XRechnung · Last verified: 2026-07-10
All validation rules