ValidateFin

PEPPOL-EN16931-R043 - The charge indicator must be true or false

The indicator that distinguishes a charge from an allowance only accepts the two boolean values written in lower case. Variants such as 1, 0, TRUE or yes are refused.

PEPPOL-EN16931-R043 - The charge indicator must be true or false

The indicator that distinguishes a charge from an allowance only accepts the two boolean values written in lower case. Variants such as 1, 0, TRUE or yes are refused. 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 3.0 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

The indicator that distinguishes a charge from an allowance only accepts the two boolean values written in lower case. Variants such as 1, 0, TRUE or yes are refused.

How to fix it

Set cac:AllowanceCharge/cbc:ChargeIndicator to true for a charge and false for an allowance.

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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