# F-LIB079

Source: https://xmlvalid.com/rules/F-LIB079

> There must be a EndDate if you have a EndTime

- 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: `(cbc:EndTime) and (not(cbc:EndDate) or cbc:EndDate = '')`

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