Create your custom contract with LawDepot's Vehicle Leasing Agreement template. Vehicle Payment Plan Agreement.A vehicle payment plan agreement is a contract between a buyer and seller of a vehicle that agrees to installment payments. You, the Buyer (and CoBuyer, if any), may buy the vehicle below for cash or on credit. 1. Enter the effective date of the lease agreement. 1. Review your lease contract: : Familiarize yourself with the terms of your lease agreement, including any end-of-lease provisions or requirements. This post will explain the ins and outs of getting out of a car lease early, giving you all the details you need to avoid any sorts of problems. No information is available for this page. Assistance Payment (LAP) Contract for families participating in the TermLimited Lease. Assistance and Streamlined Lease Assistance programs.