Creating a payoff letter is essential to any loan or mortgage repayment process. Our free templates and this guide can help you get started.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. Please list all current notes, lines of credit, mortgages, credit card, and, any other loans due to any organization or individual. Creating a payoff letter is essential to any loan or mortgage repayment process. Our free templates and this guide can help you get started. How do lenders determine who is approved for a credit card, mortgage, or car loan? Refinance Business Credit Cards. = pay off credit card bills related to the purchase of business goods or services.