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PEPPOL-EN16931-R041 - A percentage requires a base amount

A percentage stated on an allowance or a charge (BT-94 or BT-101) is meaningless without the amount it applies to. The base amount (BT-93 or BT-100) must therefore be present as well.

PEPPOL-EN16931-R041 - A percentage requires a base amount

A percentage stated on an allowance or a charge (BT-94 or BT-101) is meaningless without the amount it applies to. The base amount (BT-93 or BT-100) must therefore be present as well. 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.

Allowances & chargesPeppol BIS 3.0BT-93 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

A percentage stated on an allowance or a charge (BT-94 or BT-101) is meaningless without the amount it applies to. The base amount (BT-93 or BT-100) must therefore be present as well.

How to fix it

Add cbc:BaseAmount to the cac:AllowanceCharge, or remove cbc:MultiplierFactorNumeric and keep only the flat amount.

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-CO-05Allowance reason code and text must agreeBR-CO-06Charge reason code and text must agreeBR-CO-21Each allowance needs a reasonBR-CO-22Each charge needs a reasonBR-31Each document-level allowance needs an amountBR-32Each document-level allowance needs a VAT category code

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

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