# W-LIB008

Source: https://xmlvalid.com/rules/W-LIB008

> The value of unitCode attribute should be a valid UOM measure

- 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: `string-length(./@unitCode) > 1`

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