# F-LIB057

Source: https://xmlvalid.com/rules/F-LIB057

> CityName element must be excluded

- 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: `count(cac:JurisdictionRegionAddress/cbc:CityName) = 0`

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