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BR-CO-26 - The seller must be identifiable

To let the buyer identify the supplier, the Seller identifier (BT-29), the Seller legal registration identifier (BT-30) and/or the Seller VAT identifier (BT-31) must be present.

BR-CO-26 - The seller must be identifiable

To let the buyer identify the supplier, the Seller identifier (BT-29), the Seller legal registration identifier (BT-30) and/or the Seller VAT identifier (BT-31) must be present.

Mandatory fieldsEN 16931BT-29 Error

What this rule checks

To let the buyer identify the supplier, the Seller identifier (BT-29), the Seller legal registration identifier (BT-30) and/or the Seller VAT identifier (BT-31) must be present.

How to fix it

Provide at least one of BT-29, BT-30 or BT-31 for the seller.

Validate against this rule

This rule is part of EN 16931. Check your invoice with the validator that matches your format:

Related rules

Source: CEN EN 16931 Schematron · Last verified: 2026-07-10

All validation rules