# W-LIB222

Source: https://xmlvalid.com/rules/W-LIB222

> The attribute languageID should be used when more than one Description element is present

- Level: warning
- 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(../cbc:Description) > 1 and not(./@languageID)`

> The attribute languageID should be used when more than one Description element is present

- Level: warning
- 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(cbc:Description) > 1 and not(xs:int(count(cbc:Description) = xs:int(count(cbc:Description/@languageID))))`

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