By including a per diem amount in the letter, the parties will not have to execute another payoff letter if the termination date. Please accept this as my authorization to issue a payoff statement to.Through an effective date of . Please let this serve as a formal written request pursuant to Section 701.04, Florida. It typically details the principal balance, interest due as of that date, per diem, any late fees, etc. 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. Searching for a fillable Mortgage Loan Payoff Letter Template? Use our easy editor for PDF files and fill this form out quickly. Calculate payoff through: Per diem interest: Please provide payoff information for the above referenced mortgage.