The current design for this process is as follows: if payment specification is assigned to 1 or 2 then the payment is considered as payment type 1 or 2 regardless of whether paymentID is blank or not. If payment specification is not assigned then the payment type is identified as payment type 3. It would not verify at all the paymentID being blank or not.

The request is to verify if paymentID is blank for a payment and if so, then identify payment type=3.