Do you need a loan payoff request form? Payoff requests, including borrower's authorization, should be directed to the servicer of the first mortgage.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. Contract Sales Price – The full purchase price as stated in the contract. 504. Payoff of first mortgage loan. 103. Settlement charges to borrower (line 1400). 403. 108. Assessments. 408. Payoff of mortgage loan. 12,782.47. Remember to include the loan account number in the letter to ensure proper identification. A payoff letter is a document that provides detailed instructions on how to pay off a loan.