# F-LIB353

Source: https://xmlvalid.com/rules/F-LIB353

> PartyName/Name is mandatory in TaxRepresentativeParty

- Level: error
- Rule sets: OIOUBL 2.1 Invoice rules (Denmark) 1.17.2, OIOUBL 2.1 Credit Note rules (Denmark) 1.17.2, OIOUBL 2.1 Reminder rules (Denmark) 1.17.2
- Test: `cac:PartyName and cac:PartyName/cbc:Name and (normalize-space(cac:PartyName/cbc:Name) != '')`

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