Clearly print or type all information, except signatures. Find out what documents you will need to provide proof of sale and ownership if you are buying, selling, or gifting a vehicle.Use this car purchase agreement template to customize the financing information for your car along with other required details. Yes, a purchase agreement is a valid and binding contract in NY IF the dodge dealership signed it. If they signed it, then they are held to its terms. When buying a vehicle or equipment for your business, use this Vehicle and Equipment Purchase Agreement to protect yourself from unwarranted liabilities. A New York motor vehicle bill of sale provides proof that a motor vehicle has been legally sold and acquired in the State of New York. Get a bill of sale in New York to be used for any vehicle, horse or general bill of sale record. Forms.