A payoff letter provides instructions on how to pay off a loan with a lump sum before the loan term ends. Learn how payoff letters work.A letter must be written to the LACDA stating that the homeowner is paying off the LACDA loan and will remain living in the property. In Benefit Overpayment Services, you can make a payment, view past payments, and set up an installment agreement to make monthly payments. It tells you the amount due (including interest charges up to a specific date), where to send the money, how to pay, and any additional charges due. A benefit overpayment is when you collect unemployment, disability, or Paid Family Leave benefits you are not eligible to receive. (2) Any lump-sum payoff or reimbursement for unused accumulated overtime, vacation, holiday time, or sick leave benefits;. The payoff amount includes both your remaining principal balance and interest.