A Certificate of Title or other ownership documents must accompany this form. INSTRUCTIONS. • All areas must be completed in full.Rules and regulations for registering a vehicle purchased from a private party, sales between family members and vehicles given as a gift. Bill of Sale in Nevada. There are some very specific steps that you need to follow in the state of Nevada when buying a vehicle in a private sale. Use online Nevada bills of sale to document the transfer of ownership of a car, boat, firearm, or other personal property from a seller to a buyer. The procedures for the seller and buyer to complete a Nevada vehicle title in a private party sale. What must be signed. A Nevada motor vehicle bill of sale is a form that reports the transfer of vehicle ownership from a private seller to a buyer. Use our Nevada bill of sale forms to legally buy or sell personal property like vehicles in the state of Nevada.