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BR-11 - Buyer country code is required

The Buyer postal address must contain a Buyer country code (BT-55).

BR-11 - Buyer country code is required

The Buyer postal address must contain a Buyer country code (BT-55).

Mandatory fieldsEN 16931BT-55 Error

What this rule checks

The Buyer postal address must contain a Buyer country code (BT-55).

How to fix it

Add the buyer Country/IdentificationCode using an ISO 3166-1 alpha-2 code.

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