1. Interest. 2. Principal. 3. Deposits for escrow items, as applicable. Such deposits may include: taxes and assessments;.Filling out this form is straightforward. 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. How to fill out the RoundPoint Mortgage Payoff Request Form? 1. Enter your loan number. 2. A mortgage payoff statement can be a useful piece of documentation for some borrowers to request. The mortgage payoff calculator helps you find out. Not sure what to do after you pay off your mortgage?