This form certifies the purchase price and determines the sales tax you must pay when registering the vehicle. Streamline your motor vehicle transactions in the state of New York with our New York vehicle bill of sale template.A vehicle sales agreement is a lawful arrangement summarizing the terms and conditions of a vehicle sale between a customer and a seller. The buyer takes the full ownership of the Vehicle (Make, Registration Number). bearing. Received pursuant to this Contract, the Contractor shall complete and submit in OMB standard form.