A 10day payoff refers to the time it takes for your new lender to pay off your old loans during a refinance. It's the payoff amount 10 days in the future.Discover more about per diem interest—the daily interest on a loan that occurs outside of the standard repayment period. Please contact Customer Support at 877-672-2265 to request the payoff amount for a Mortgage and Home Equity Line of Credit (HELOC). Personal and Auto Loans By including a per diem amount in the letter, the parties will not have to execute another payoff letter if the termination date. For general inquires, call 1.800.FULTON. The effective date of Chronic. The Participation Application from Seller in which Seller seeks approval to participate in the Low Interest Rate Mortgage Program. (b). In order to make witnesses appear in court, you will need to have the witnesses served with a subpoena with mileage and a per diem cost.