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 . Payoff Statement (1) - Free download as PDF File (. Please provide payoff information for the above referenced mortgage. Also, please provide loan number and per diem interest. Payoff letter which states the entire payoff amount, including, but not limited to, the current outstanding principal balance of loan and accrued interest. I'm selling my house with a closing date of January 9th. I received my mortgage payoff letter from Pennymac that is good through January 12th. I'm selling my house with a closing date of January 9th.