Free EN 16931 Validator
EN 16931 is the European standard for electronic invoicing, mandated by EU Directive 2014/55/EU. It defines a semantic data model and 150+ business rules that ensure invoices can be processed automatically across all EU member states.
Checking is free.Finished e-invoice: €1.90 [VAT note].First file every 30 days free.No sign-up.
Your file is used only to check and fix your invoice and to deliver your result. Results are kept so you can download a verified file again for 90 days; validation logs are deleted after 90 days. You can request deletion at any time.
What this check settles
Details are missingYou supply them, we enter them and check again. Amounts, line items and taxes stay unchanged.
The export is structurally brokenYou get the error report for your ERP support: rule, position in the file, expected structure. Free.
The file passes the checkDownload only then, with check protocol, timestamp and checksum. Publicly verifiable.
What we check for EN 16931
EN 16931 semantic model compliance
Business rule validation (BR-xx rules)
VAT category rules (BR-S, BR-Z, BR-E, etc.)
Calculation rules (BR-CO-xx)
Code list validation
Party identification
Cross-border requirements
Common EN 16931 rejections
BR-CO-10Sum of VAT category amounts incorrectBR-S-08Standard rate VAT amount missingBR-E-01Exempt reason requiredBR-CO-11Line amount calculation errorBR-CO-13Invoice total mismatchAll error codes, explained →Where this check runs
Invoice NavigatorFull 150+ business rules check. Validates semantic compliance regardless of syntax (UBL or CII). Essential for ViDA readiness.
Access pointNetwork validators check EN 16931 as part of format validation. But standalone EN 16931 check not always available.
ERP built-inERP systems focus on syntax generation, not semantic validation. EN 16931 business rule violations often missed.
EN 16931 at a glance
Full NameEuropean Standard for E-Invoicing
Published2017
Maintained ByCEN TC 434
SyntaxesUBL 2.1 & CII
Business Rules150+
Countries using EN 16931
All 27 EU Member StatesNorway (EEA)Iceland (EEA)Switzerland
Read on
About EN 16931: technical details, history and practice →Peppol BIS validator →XRechnung validator →UBL 2.1 validator →Related
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