When submitting a payoff request, you must provide the entire docket number. It lays out each fee and dollar still due before you completely pay off your mortgage.Here's how it works. Type the property address in the subject line of the email. • Each email should only have a payoff for one property. Uniform Residential Loan Application. What is a Payoff Agreement? A payoff agreement is an informal contract in which a creditor agrees to accept the balance of a debt owed as full payment. Get information about a federal tax lien, including how to get rid of a lien, how a lien affects you and how to avoid a lien.