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.This is a sample Florida mortgage payoff authorization form and should not be used or relied upon for any real estate transaction. Creating a payoff letter is essential to any loan or mortgage repayment process. Our free templates and this guide can help you get started. The bank is required to prepare and record in the public records where the property is located a "satisfaction of mortgage." In some cases a mortgage company may require full pay off prior to selling or refinancing the property.