By including a per diem amount in the letter, the parties will not have to execute another payoff letter if the termination date. A secured lender shall prepare and deliver a payoff demand statement to the person who has requested it within fourteen days after receipt of the demand.Please accept this as my authorization to issue a payoff statement to. Through an effective date of . 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. Please provide payoff information for the above referenced mortgage. Also, please provide loan number and per diem interest. Improper forms, to incorrect fax numbers, or incorrectly filled out. By setting up Auto Pay in MyAccount online or on the GM Financial Mobile app, you can have your payments automatically withdrawn from your bank account.