payment approval workflow based on Invoice installment context DFF

Some invoice are approved very close to the payment due date. The Payment for these invoices should not be paid until 15 after expiry of payment due date. We have checked and noted that there is no Out of Box solution to select these invoices in a separate payment process request. Hence, we are looking at creating payment approval workflow based on context level DFF on Invoice installment page. The DFF will be based on table level value set which will highlight unique value for invoices which have been approved very close to the payment due date. Please advise if