NOTE: We will issue a CERTIFICATE OF RELEASE in this transaction for the mortgage(s) being paid. YES. Your prompt attention to this matter is appreciated.You might get a short letter saying you paid your car off, and your title will be mailed to you shortly. This document serves to provide authorization to your mortgage lender(s) to release your mortgage payoff to. Loan Agreement Regarding Line of Credit. Sample Forms, Policies, and Contracts. This document provides a sample payoff request letter that can be used as a guide. The official website of the City of Chicago Department of Finance, otherwise know as the Comptroller's Office. Confirmation of Tax Allocation. When you have a mortgage with a lender, you have to order a final payment letter from them.