How to submit this form: Submit this form along with required documents and applicable tax to the county tag office in the county where the primary purchaser. Motor Vehicle, Mobile Home, Off- Highway or Vessel Description. Year.Proof of sale, such as a Bill of Sale (Form T-7). Transfer Ownership of Your Vehicle. Learn about bill of sale requirements for the state of Georgia. Includes free Georgia bill of sale templates for cars, trucks, boats, firearms, and more. 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. How to fill out the Georgia Trailer Bill of Sale Document? A motor vehicle bill of sale is between a buyer and a seller of a car, truck, or motorcycle.