warningEN16931
UBL-CR-254:A UBL invoice should not include the AccountingCustomerParty Party Contact Telefax
Your invoice contains a Contact Telefax element in the buyer party which is not allowed in EN16931 invoices. This element must be removed.
We can fix this automatically
AUTO-FIXAuto-fix: Remove the disallowed element from the invoice XML. No data loss occurs because EN16931 explicitly prohibits this element.
No manual changes needed
Upload and Fix NowWhy This Error Matters
Invoice will be rejected by PEPPOL/EN16931 validators. Safe to remove - these elements are explicitly prohibited in EN16931 and contain no required business data.
Common Causes
- Source ERP exports full UBL 2.1 party fields instead of EN16931 subset
- Generic UBL template includes optional party elements not needed for e-invoicing
- Conversion from another format added unsupported party elements
- Manual XML editing introduced non-standard party elements
- Invoice software not configured for EN16931 compliance on party data
Frequently Asked Questions
Your invoice contains a Contact Telefax element in the buyer party which is not allowed in EN16931 invoices. This element must be removed.
Your invoice contains a Contact Telefax element in the buyer party which is not allowed in EN16931 invoices. This element must be removed. You can also use Invoice Navigator's automatic Fixer tool to correct this instantly.
UBL-CR-254 is a warning that may not always cause rejection, but it indicates a potential compliance issue that should be addressed.
Many instances of UBL-CR-254 can be automatically corrected using Invoice Navigator's Fixer tool. Upload your invoice and the tool will identify and fix common issues.
See Also
Last updated: 16 January 2026
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