Do you need a loan payoff request form? How to fill out the Payoff Request Letter Templates?Edit, sign, and share pay off authorization template online. No need to install software, just go to DocHub, and sign up instantly and for free. A 10 day payoff is crucial to getting your old loans paid off during a refinance. Learn how it works from start to finish. Create a Loan Payoff Letter online and download it as a PDF or Word document. Customize and print a blank Loan Payoff Letter for free. 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.