Mobile Home, Off-Highway Vehicle or Vessel. • Be sure to fill out a "Notice of Sale" form at the county tax collector's office within 30 days of the sale.Learn about Florida Bill of Sale requirements. Get forms and templates to document the sale of items such as cars, boats, horses, firearms, and more. A motor vehicle bill of sale is between a buyer and a seller of a car, truck, or motorcycle. It is signed as the last step in the sales process. This document serves as proof of ownership and allows the seller to report the sale to the DMV. The form includes the details of the vehicle. General Bill of Sale – This form is generally used for the sale, purchase or trade of personal items. Download: PDF, MS Word, OpenDocument.