Request Type: Servicing Fee: Estimated. 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 standard form of payoff letter. To change the mailing address for real property, please fill out and print the PDF. Execute a letter substantially in the form attached hereto as "APPENDIX J—FORM OF LETTER OF. BENEFICIAL OWNER. A judge is not required to grant any of the relief requested in a form or discussed in this class.