# F-LIB070

Source: https://xmlvalid.com/rules/F-LIB070

> Invalid schemeID. Must be either '…', '…', '…' or '…'

- 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:ID/@schemeID = $TaxScheme_schemeID or cbc:ID/@schemeID = $TaxScheme2_schemeID or cbc:ID/@schemeID = $TaxScheme4_schemeID or cbc:ID/@schemeID = $TaxScheme5_schemeID`

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