How to fix it
Reconcile TaxExclusiveAmount with LineExtensionAmount minus AllowanceTotalAmount plus ChargeTotalAmount. Keep amounts in the same currency and follow the two-decimal rounding rule.
Example
Line total: 100.00
Document allowance: 10.00
Document charge: 5.00
TaxExclusiveAmount: 95.00Examples 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.
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.
