errorEN16931

BR-AG-04:When using this VAT category, the seller must have a VAT identifier, tax registration, or tax representative.

When using this VAT category, the seller must have a VAT identifier, tax registration, or tax representative.

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NEEDS INPUT

1. Check for existing VAT/tax identifiers. 2. If none, prompt for seller VAT number. 3. Add PartyTaxScheme.

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Why This Error Matters

Invoice will be rejected. IPSI (Ceuta/Melilla indirect tax) transactions must follow specific rules for Spanish territory tax compliance.

Common Causes

  • Document charge uses IPSI but seller has no tax identifier
  • Surcharge on IPSI transaction missing seller tax registration
  • Tax representative not configured for IPSI charges
  • Seller tax identifiers not mapped for charge
  • IPSI charge created without seller tax setup

Frequently Asked Questions

When using this VAT category, the seller must have a VAT identifier, tax registration, or tax representative.
When using this VAT category, the seller must have a VAT identifier, tax registration, or tax representative. You can also use Invoice Navigator's automatic Fixer tool to correct this instantly.
Yes, BR-AG-04 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-AG-04 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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