The new owner must give the original bill of sale to the DMV along with the other required proofs of ownership when they title and register the vehicle. Clearly print or type all information, except signatures.If one of the vehicle's plates is missing, the remaining plate. The bill of sale must show the purchase price and the amount of out-of-state sales tax paid to the dealer. 1) Fill out top and bottom of DMV Bill of sale. If you just purchased the car, you need the title signed over to you and a bill of sale to show the purchase price for sales tax purposes.