Mobile Home, Off-Highway Vehicle or Vessel. Find out what documents you will need to provide proof of sale and ownership if you are buying, selling, or gifting a vehicle.Office Closures: Our offices will close on January 1st for the New Year's Day. Seller of motor vehicle or vessel must complete, sign and give this form to the purchaser. Motor vehicle dealer – Any dealer registered with the Department of Revenue (Department) to sell motor vehicles. Each sale, admission, storage, or rental in Florida is taxable, unless the transaction is exempt. Sales tax is added to the price of taxable goods or services. Another Free File option is Free File Fillable Forms. Filling Out the Form Properly. How can I get a copy of a bill of sale?