BR-CO-09 - VAT identifiers need a country prefix
The Seller VAT identifier (BT-31), Seller tax representative VAT identifier (BT-63) and Buyer VAT identifier (BT-48) must have an ISO 3166-1 alpha-2 country prefix (Greece may use EL).
BR-CO-09 - VAT identifiers need a country prefix
The Seller VAT identifier (BT-31), Seller tax representative VAT identifier (BT-63) and Buyer VAT identifier (BT-48) must have an ISO 3166-1 alpha-2 country prefix (Greece may use EL).
What this rule checks
The Seller VAT identifier (BT-31), Seller tax representative VAT identifier (BT-63) and Buyer VAT identifier (BT-48) must have an ISO 3166-1 alpha-2 country prefix (Greece may use EL).
How to fix it
Prefix each VAT identifier with the country code, e.g. FR12345678901; use EL for Greece.
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