# F-LIB189

Source: https://xmlvalid.com/rules/F-LIB189

> Invalid schemeID. Must be a valid scheme for PartyLegalEntity/CompanyID

- 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:CompanyID/@schemeID != '' and contains($PartyLegalID, concat(',', cbc:CompanyID/@schemeID, ','))`

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