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.Complete the form below to submit your payoff request. For Mortgage forms, please visit our Mortgage Servicing Portal. The mortgage payoff calculator helps you find out. Do you need a loan payoff request form? Do you need a loan payoff request form? Credit Union ONE in MI offers mortgages, refinancing, home equity loans and auto loans plus business banking. Open a checking account to become a member. If you want to know what it will take to pay off a loan, you'll need to access a payoff statement (sometimes called a payoff letter).