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Line amounts do not add up

BR-CO-10 - The document-level line total must match the sum of the individual line net amounts.

How to fix it

Add the InvoiceLine or CreditNoteLine LineExtensionAmount values using decimal arithmetic. Put the rounded sum in LegalMonetaryTotal/LineExtensionAmount.

Example

Lines: 40.00 + 60.00
Document LineExtensionAmount: 100.00

Examples are illustrative fragments, not complete invoices. Validate the complete document after applying a fix.

Scope and source

Reviewed for Peppol BIS Billing 3.0.21 (May 2026), EN 16931 1.3.16. Guidance version 2026-09-06.1, checked 2026-09-06. Applies to the Invoice and CreditNote rulesets named by the validator.

Official Peppol rule and test

Guidance does not change the engine verdict. Other findings may need separate fixes. Validation does not certify legal or tax compliance or transmit a document over Peppol.

Validate your corrected invoiceValidation guide