This document provides a sample payoff request letter that can be used as a guide. Sample Forms, Policies, and Contracts.Sample Form of Payoff Letter. What you need to know. 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. Verification of funds letters come in a few different forms, with the most common being bank statements. By adding to your mortgage payment, you'll not only payoff your mortgage quicker, but could also save money in the process. A payoff letter (also referred to as a "payoff statement") is a document that provides detailed instructions on how to pay off a loan. A payoff letter or payoff statement can take two major forms in real estate.