errorEN16931

BR-CO-26:The invoice is missing seller identification. At least one of: Seller Identifier (BT-29), Legal Registration ID (BT-30),

The invoice is missing seller identification. At least one of: Seller Identifier (BT-29), Legal Registration ID (BT-30), or VAT Identifier (BT-31) must be present.

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NEEDS INPUT

Requires user input: At least one seller identifier (company registration number, VAT number, or business identifier). Cannot auto-generate legal identifiers.

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Why This Error Matters

Invoice rejected. Buyers need to identify the seller for payment routing and tax verification.

Common Causes

  • Seller has no identifier for buyer matching
  • Missing BT-29 (Seller ID), BT-30 (Legal reg), and BT-31 (VAT)
  • Seller party has no identification elements
  • Company setup incomplete - no identifiers configured
  • Export template missing seller identifier mappings

Frequently Asked Questions

The invoice is missing seller identification. At least one of: Seller Identifier (BT-29), Legal Registration ID (BT-30), or VAT Identifier (BT-31) must be present.
The invoice is missing seller identification. At least one of: Seller Identifier (BT-29), Legal Registration ID (BT-30), or VAT Identifier (BT-31) must be present. You can also use Invoice Navigator's automatic Fixer tool to correct this instantly.
Yes, BR-CO-26 is a critical error that will cause invoice rejection. It must be fixed before submission to ensure your invoice is accepted.
Many instances of BR-CO-26 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: 18 January 2026

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