Of interest per day. Please include a per diem amount in the statement.Please email this information to. By including a per diem amount in the letter, the parties will not have to execute another payoff letter if the termination date. Statement from us will be required. If loan has quotable per diem interest, then "Funds received after ______ will be. The first step is to get in touch with your lender or loan servicer. You can find their contact information on your monthly statements. Title IV aid is earned in a prorated manner on a per diem basis up to the 60 percent point in the semester. Per diem if the state meets VA standards.