# BR-CL-01

> The document type code MUST be coded by the invoice and credit note related code lists of UNTDID 1001.

Checked against Peppol BIS Billing 3.0 2026.5

Canonical: https://einvoicecheck.eu/rules/br-cl-01

## Official rule text

The document type code MUST be coded by the invoice and credit note related code lists of UNTDID 1001.