A Bill of Sale releases interest in a vehicle. A Certificate of Title or other ownership documents must accompany this form. INSTRUCTIONS.An RV Bill of Sale is a legal document that serves as proof of the sale and transfer of ownership of a recreational vehicle (RV) from a seller to a buyer. A Nevada Trailer Bill of Sale is a document that authenticates the transaction of a tow dolly or utility carrying platform. The form should include a description of the property, the sales price, and the parties' information. 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 recreational vehicle (RV) bill of sale outlines a transaction between a buyer and seller involving the purchase or exchange of an RV. 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. A Nevada motor vehicle bill of sale is a form that reports the transfer of vehicle ownership from a private seller to a buyer.