# PEPPOL-T111-B04901

Source: https://xmlvalid.com/rules/PEPPOL-T111-B04901

> Element 'cac:PartyName' MUST be provided.

- Level: error
- Rule sets: Peppol Invoice Response rules 3.1
- Context: `/ubl:ApplicationResponse/cac:DocumentResponse/cac:RecipientParty`
- Test: `cac:PartyName`

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