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. MV-912: Vehicle Bill of Sale (PDF). English.Use this form to show proof of a vehicle ownership transfer through a private sale. Download. These documents include the vehicle's registration, proof of ownership, a valid insurance policy for your RV, proof of maintenance and general safety checks. A Recreational Vehicle (RV) Bill of Sale is required anytime an RV is sold or transferred between a seller and a buyer. Notarized bill of sale; Pencil tracing or photograph of the VIN plate. This is typically one of the first items you'll put on the bill of sale. A bill of sale application must include a Physical Inspection of a Vehicle or Watercraft - State Form 39530 . Using a Bill of Sale as a Supporting Document. How do I fill this out?