errorEN16931

UBL-SR-14:Seller additional legal information shall occur maximum once

Your invoice contains multiple Seller additional legal information elements (PartyLegalEntity/CompanyLegalForm). EN16931 allows only one.

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Auto-fix: Keep the first occurrence and remove duplicate elements. EN16931 requires exactly one of this element.

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Why This Error Matters

Invoice will be rejected by EN16931 validators. These structural constraints ensure consistent processing by receiving systems.

Common Causes

  • ERP system exports multiple references where only one is allowed in EN16931
  • Data consolidation merged records that should have been deduplicated
  • Template or mapping incorrectly configured to output duplicate elements
  • Manual editing introduced extra elements
  • Invoice conversion from another format did not merge duplicate entries

Frequently Asked Questions

Your invoice contains multiple Seller additional legal information elements (PartyLegalEntity/CompanyLegalForm). EN16931 allows only one.
Your invoice contains multiple Seller additional legal information elements (PartyLegalEntity/CompanyLegalForm). EN16931 allows only one. You can also use Invoice Navigator's automatic Fixer tool to correct this instantly.
Yes, UBL-SR-14 is a critical error that will cause invoice rejection. It must be fixed before submission to ensure your invoice is accepted.
Many instances of UBL-SR-14 can be automatically corrected using Invoice Navigator's Fixer tool. Upload your invoice and the tool will identify and fix common issues.

See Also

EN 16931 Validator

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Last updated: 16 January 2026

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