errorGRPEPPOL_BIS

GR-R-001-2:The first segment of Greek invoice ID must be a valid TIN matching the supplier or tax representative. This links the in

The first segment of Greek invoice ID must be a valid TIN matching the supplier or tax representative. This links the invoice to the correct Greek tax entity.

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AUTO-FIX

Auto-fix: Set first segment of invoice ID to match supplier TIN. Safe because TIN is already on the invoice.

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Why This Error Matters

Invoice will be rejected by Greek validation. Invoice ID TIN must match registered entity for tax compliance.

Common Causes

  • First segment is not a valid TIN
  • TIN does not match supplier or tax rep
  • Wrong TIN used in invoice ID
  • TIN format incorrect
  • Invoice ID manually created with wrong TIN

Frequently Asked Questions

The first segment of Greek invoice ID must be a valid TIN matching the supplier or tax representative. This links the invoice to the correct Greek tax entity.
The first segment of Greek invoice ID must be a valid TIN matching the supplier or tax representative. This links the invoice to the correct Greek tax entity. You can also use Invoice Navigator's automatic Fixer tool to correct this instantly.
Yes, GR-R-001-2 is a critical error that will cause invoice rejection. It must be fixed before submission to ensure your invoice is accepted.
Many instances of GR-R-001-2 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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