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.A 10day payoff refers to the time it takes for your new lender to pay off your old loans during a refinance. Do you need a loan payoff request form? 1. Enter your personal information and amount owed. To request a payoff quote, please complete the payoff quote form. This form is intended for 3rd parties acting on behalf of Mr. Cooper customers. For an official statement verifying your existing mortgage balance, monthly payments, and any late payments, please complete a 3rd Party Authorization form.