A 10 day payoff is crucial to getting your old loans paid off during a refinance. Learn how it works from start to finish.Discover more about per diem interest—the daily interest on a loan that occurs outside of the standard repayment period. If it is today's payoff, one should add a per diem beginning tomorrow, but they are saying not until after the 10th. 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. 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. You may send the funds via wire, wire instructions are provided with every payoff quote. A total payoff figure of. Ize a per capita payment out of such funds.