# PEPPOL-T71-B01901

Source: https://xmlvalid.com/rules/PEPPOL-T71-B01901

> Value MUST be part of code list 'Document name code, full list (UNCL1001)'.

- Level: error
- Rule sets: Peppol Message Level Response rules 3.0
- Context: `/ubl:ApplicationResponse/cac:DocumentResponse/cac:DocumentReference/cbc:DocumentTypeCode`
- Test: `(some $code in $clUNCL1001 satisfies $code = normalize-space(text()))`

Validate a document against these rules: https://xmlvalid.com/validate