# F-LIB336

Source: https://xmlvalid.com/rules/F-LIB336

> PaymentMeansCode = 93, InstructionID must be a numeric value when PaymentID equals 71 or 75.

- 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:PaymentMeansCode = '93') and ((cbc:PaymentID = '71' or cbc:PaymentID = '75') and (not(exists(cbc:InstructionID)) or (matches(cbc:InstructionID, '[^\d]+'[.]))) or (cbc:InstructionID = ''))`

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