Please submit the following information with the form: Deed of Trust; Borrower(s) Signed Authorization; The Signed Loan Payoff Request Form. 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. Filling out this form is straightforward. Manage your loan online, get answers to questions about your escrow or the process to request a loan payoff, or get in touch with our Servicing team.