Sample Forms, Policies, and Contracts. Sample Form of Payoff Letter.The mortgage payoff calculator helps you find out. Do you need a loan payoff request form? Illinois law imposes a strict deadline on mortgagees when a mortgagor requests a loan payoff statement. Discover our mortgage lien release (satisfaction of mortgage) form and ensure legal compliance and smooth transitions with a free template. How to fill out the Payoff Request Letter Templates? Update: Certain forms are now available on this site in two formats - the traditional and the new fill-in format. When a borrower takes out a loan to purchase a real estate property, they agree to pay the lender back for the loan through this document. The Loan Payoff Request Form is a vital document for borrowers who wish to obtain a mortgage payoff statement from Seneca Mortgage Servicing LLC.