# F-LIB253

Source: https://xmlvalid.com/rules/F-LIB253

> Can only be false if proforma invoice (InvoiceTypeCode = '325')

- 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:TaxEvidenceIndicator = 'false' and /doc:Invoice/cbc:InvoiceTypeCode != '325'`

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