ValidateFin

PEPPOL-EN16931-R120 - The line net amount must match the line calculation

The invoice line net amount (BT-131) must equal the invoiced quantity multiplied by the item net price divided by the price base quantity, plus the line charges and minus the line allowances.

PEPPOL-EN16931-R120 - The line net amount must match the line calculation

The invoice line net amount (BT-131) must equal the invoiced quantity multiplied by the item net price divided by the price base quantity, plus the line charges and minus the line allowances. 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.

CalculationsPeppol BIS 3.0BT-131 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 invoice line net amount (BT-131) must equal the invoiced quantity multiplied by the item net price divided by the price base quantity, plus the line charges and minus the line allowances.

How to fix it

Recompute cbc:LineExtensionAmount from cbc:InvoicedQuantity, cac:Price and the line cac:AllowanceCharge elements.

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-10Sum of line net amounts must equal the line totalBR-CO-13Total without VAT must reconcile lines, allowances and chargesBR-CO-15Total with VAT must equal total without VAT plus VATBR-CO-16Amount due must equal total with VAT minus prepaidBR-CO-11Sum of document-level allowancesBR-CO-12Sum of document-level charges

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

All validation rules