A mortgage payoff letter can come in two forms. One form tells borrowers the remaining principal amount and interest they have to pay to close out the loan.Include the payment amount. Include the date you plan to make the payment. Do you need a loan payoff request form? It requests details of the original sales price, interest rate, payment due dates, date of last payment, and the remaining payoff balance. 1. Enter your personal information and amount owed. This is an example of a payoff letter used in a syndicated loan transaction. This payoff letter (including the defined terms such as Lenders,. 504. Payoff of first mortgage loan. 103.