Say you have a mortgage and want to know exactly how much you'd need to pay to satisfy the loan. A mortgage payoff letter will tell you that magic number.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. Do you need a loan payoff request form? This form is furnished to give you a statement of actual settlement costs. Want to speed up your Utah mortgage loan approval? Having the proper loan documentation is critical for accurate initial approval. Return completed form to: Utah Housing Corporation. Alternatively, your lender may have a form you must fill out.