Mobile Home, Off-Highway Vehicle or Vessel. Joe and Sandy Nelson decided to sell their old Chevy Van, so they placed an advertisement in their community paper.Tom, who worked in the Nelson's housing. Motor Vehicle Forms. NOTICE: Some internet browsers have a built in PDF viewer that may not be compatible with our forms. Completing this form: This form must be completed in its entirety, legibly printed or typed. A vehicle registration is proof of payment of registration tax and fees on a motor vehicle. In Florida, a bill of sale document records the purchase of a car, boat, firearm, technology device, horse, or other valuable item. Seller of motor vehicle or vessel must complete, sign and give this form to the purchaser.