BR-DE-15 - Mandatory: buyer reference (BT-10)
XRechnung requires the element BT-10 (buyer reference, the Leitweg-ID) to be present.
BR-DE-15 - Mandatory: buyer reference (BT-10)
XRechnung requires the element BT-10 (buyer reference, the Leitweg-ID) to be present. 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
XRechnung requires the element BT-10 (buyer reference, the Leitweg-ID) to be present.
How to fix it
Add the element BT-10 (buyer reference, the Leitweg-ID) to the invoice.
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