Creating a payoff letter is essential to any loan or mortgage repayment process. Our free templates and this guide can help you get started.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. Under the Loan Information section, you will find a payoff request option that will take you to our payoff request form. All third-party payoff requests require prior authorization. Using the adjacent form you can select from two options. The FDIC may be able to assist you in obtaining a lien release if the request is for a customer of a failed bank that was placed into FDIC receivership. The following information is needed in order for us to begin working with you to help resolve your mortgage issue. Payoff Letter: A document used to pay off an existing loan or mortgage.