This financial calculator helps you find out. View the report to see a complete amortization payment schedule, and how much you can save on your auto loan!The Vehicle Payoff Sample Letter form is a crucial document for individuals aiming to transfer their vehicle loan to the State Department Federal Credit Union. First enter information about your current loan: the original loan amount, interest rate and the length of the loan in months. The payoff demand processing fee is paid in escrow. Please see more information in the Payoff Demand Instructions. A vehicle payment plan agreement is a contract between a buyer and seller of a vehicle that agrees to installment payments. Move your business forward. Whether you're ready to upgrade to a new technology or need to replace an aging machine, we have options. If you have received such a billing, you need to know: • Options for paying the amount due, and.