BR-DE-19 - BT-84 must be a valid IBAN for SEPA credit transfer
When the Payment means type code (BT-81) is 58 (SEPA credit transfer), the Payment account identifier (BT-84) must contain a correct IBAN.
BR-DE-19 - BT-84 must be a valid IBAN for SEPA credit transfer
When the Payment means type code (BT-81) is 58 (SEPA credit transfer), the Payment account identifier (BT-84) must contain a correct IBAN. 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 Payment means type code (BT-81) is 58 (SEPA credit transfer), the Payment account identifier (BT-84) must contain a correct IBAN.
How to fix it
Correct the IBAN in BT-84, or change the payment means code BT-81.
Validate against this rule
This rule is part of EN 16931. Check your invoice with the validator that matches your format:
Related rules
Source: KoSIT XRechnung · Last verified: 2026-07-10
All validation rules