Please see more information in the Payoff Demand Instructions. By including a per diem amount in the letter, the parties will not have to execute another payoff letter if the termination date.The release is what removes the lien, which in your case isn't there. Please accept this as my authorization to issue a payoff statement to. Through an effective date of . The Payoff Amount and Per Diem Amount quoted herein are effective through December 31, 2020. 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. 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.