This form is furnished to give you a statement of actual settlement costs. It's a statement that breaks down the payoff figure for the loan assuming no intervening payments, on a future (specified) date.An IOU (I Owe You) is a legal document that sets out the details of a loan made between two people, a borrower, and a lender. With our mortgage payoff calculator, discover how much you could save on your mortgage. If you have questions or would like to file a complaint contact the: Dept. A mortgage payoff letter can come in two forms. One form tells borrowers the remaining principal amount and interest they have to pay to close out the loan. You must complete all lines of Illinois Schedule B, as applicable, and file it with your Form IL-1065. What if I am a member of a unitary group? The TILARESPA Rule provides a detailed explanation of how the forms should be filled out and used.