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PEPPOL-EN16931-R061 - A direct debit requires a mandate reference

When the payment means announce a direct debit, the buyer must be able to link the collection to a signed mandate. The mandate reference (BT-89) is therefore mandatory.

PEPPOL-EN16931-R061 - A direct debit requires a mandate reference

When the payment means announce a direct debit, the buyer must be able to link the collection to a signed mandate. The mandate reference (BT-89) is therefore mandatory. 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.

PaymentPeppol BIS 3.0BT-89 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

When the payment means announce a direct debit, the buyer must be able to link the collection to a signed mandate. The mandate reference (BT-89) is therefore mandatory.

How to fix it

Add cac:PaymentMandate/cbc:ID inside cac:PaymentMeans with the mandate identifier, or change the payment means code.

Validate against this rule

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

Related rules

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

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