A Certificate of Title or other ownership documents must accompany this form. INSTRUCTIONS. • All areas must be completed in full.What Paperwork Is Required To Register a Trailer in Nevada? Bill Of Sale (VP 104) Releases a private party's ownership interest in a vehicle. Provide a proper title to the buyer. Complete and keep a Bill of Sale (VP 104) as your record of the 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. A Nevada motor vehicle bill of sale is a legal document that is required in the State of Nevada as proof of the sale and purchase of a motor vehicle. A Nevada trailer bill of sale is a document that one person completes with another to authenticate the transfer of a tow dolly or utility trailer.