If a dealer takes a trade-in with an outstanding loan balance owing, the dealer must notify the lien holder. You'll need to request a 10day payoff letter from your current loan servicer, which you may be able to do online.Print a "UCCU Authorization for Payoff form" and have the seller fill it out and sign it. Do you need a loan payoff request form? A student loan 10day payoff letter details the total amount you must pay to fully satisfy the loan. Use our Debt Validation Letter. Out Debt Validation Letter is the best way to respond to a collection letter. I paid off my car loan. The lienholder sent me the title and signed the request for lien change section. No. All payments must be paid in the month they are due.