BR-CO-26EN 16931 (CEN) · BT-29, BT-30, BT-31 (Seller Identifier)
VAT Audit Risk: HIGHRule BR-CO-26: Missing Seller Identifier (BT-29, BT-30, or BT-31)
To enable automated creditor matching under EN 16931, at least one of Seller Identifier (BT-29), Seller Legal Registration Identifier (BT-30), or Seller VAT Identifier (BT-31) must be present.
1. Root Cause in the XML Dataset
The supplier's billing software omitted all three identification nodes inside AccountingSupplierParty.
2. How to Resolve & Request a Corrected Invoice
Request a corrected XML invoice containing the seller's VAT ID (BT-31) or commercial register number (BT-30).