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.A Mortgage Letter provides confirmation for your lender that your homestead exemption has been approved along with an ad valorem estimate of your tax bill. Creating a payoff letter is essential to any loan or mortgage repayment process. Our free templates and this guide can help you get started. Dianne "Ms Dee" Hart, Tampa. 62. And the provisions related to the payment of that amount to Developer, including. Attachment 3, the Schedule of Lease Payments and Payoff Dates and Amounts.