By including a per diem amount in the letter, the parties will not have to execute another payoff letter if the termination date. Please accept this as my authorization to issue a payoff statement to.Through an effective date of . A 10 day payoff is crucial to getting your old loans paid off during a refinance. Learn how it works from start to finish. Notify MHFA at least 10 business days prior to the payoff date you are requesting. A payoff agreement is an informal contract in which a creditor agrees to accept the balance of a debt owed as full payment. Complete and submit a payoff worksheet at least 30 days prior to the anticipated payoff date. Include a completed Request for Action (RFA) form. Please provide payoff information for the above referenced mortgage.