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PEPPOL-EN16931-R101 - Line document reference must be the invoiced object

At invoice line level, the only document reference allowed is the invoiced object identifier (BT-128). It is recognised by its document type code, which must be 130.

PEPPOL-EN16931-R101 - Line document reference must be the invoiced object

At invoice line level, the only document reference allowed is the invoiced object identifier (BT-128). It is recognised by its document type code, which must be 130. This is a Peppol BIS Billing 3.0 rule. It applies on top of the EN 16931 core standard, on invoices exchanged over the Peppol network.

ReferencesPeppol BIS 3.0BT-128 Error
This is a Peppol BIS Billing 3.0 rule. It applies on top of the EN 16931 core standard, on invoices exchanged over the Peppol network.

What this rule checks

At invoice line level, the only document reference allowed is the invoiced object identifier (BT-128). It is recognised by its document type code, which must be 130.

How to fix it

Set cac:DocumentReference/cbc:DocumentTypeCode to 130 in the invoice line, or remove the reference if it is of another nature.

Validate against this rule

This rule is part of EN 16931. Check your invoice with the validator that matches your format:

UBL / PeppolXRechnungFactur-X / ZUGFeRD

Related rules

BR-52Each supporting document needs a referenceBR-55Each preceding invoice reference needs a numberPEPPOL-EN16931-R003A buyer reference or a purchase order reference is requiredPEPPOL-EN16931-R080Only one project reference at document levelPEPPOL-EN16931-R100Only one invoiced object identifier per lineBR-DE-21Specification identifier should be the XRechnung one

Source: OpenPeppol BIS Billing 3.0 · Last verified: 2026-07-10

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