Important Terms for a Bill of Sale. Seller: The person or party that is releasing the property.In exchange for the Vehicle, the Buyer will pay Seller the total purchase price of the. Selling or transferring ownership of a car, boat or other item of personal property? Easily create, print, and download a Bill of Sale in minutes. This form below is designed for use on upon the sale of a motor vehicle or automobile. Visit the California DMV's website and download a bill of sale. What should you include in your vehicle bill of sale? Use a Business Bill of Sale to set out the terms for the sale of a business and transfer the ownership and all assets to the buyer. 1. Gather required information about the seller, buyer, and trailer.