This is an example of a payoff letter used in a syndicated loan transaction. This payoff letter (including the defined terms such as Lenders,.Unusual or excessive medical expenses;. Please provide payoff information for the above referenced mortgage. Also, please provide loan number and per diem interest. Long Term Per Diem Teacher. It serves as an official request to a lender, asking for a precise statement of the loan amount due, including any per diem interest. Per Diem: Occupational Therapist. It allows for convenience and flexibility in the disbursement of a loan. Is literal waste of taxpayer money is repeated in almost every city in the United States.