To get a payoff letter, ask your mortgage lender for an official payoff statement and let them know what the projected closing date is. By including a per diem amount in the letter, the parties will not have to execute another payoff letter if the termination date.A payoff letter shows the remaining balance on your mortgage, including fees, interest, etc. Learn more about what a payoff quote is and how to request one. Please accept this as my authorization to issue a payoff statement to. Through an effective date of . You must request a mortgage payoff letter from your lender. What is a Payoff Agreement? A payoff agreement is an informal contract in which a creditor agrees to accept the balance of a debt owed as full payment. Depending on your lender, you may have to sign in to an online account, call a helpline, or send a formal letter to start the request process.