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. Georgia Trailer Bill of Sale Document.Edit, Download, and Share this printable form, document, or template now. There is Form T-7 of a bill of sale that you can use in case of selling or buying a trailer in Georgia. Need to register a trailer in Georgia? You will need to present the MVR with a relevant Georgia trailer bill of sale. A Georgia trailer bill of sale form lists the elements of a transaction between a merchant and customer. A Georgia bill of sale legally transfers the ownership of personal property from a seller to a buyer. The two parties are required to sign the document. It also ensures the trailer meets safety requirements for carrying cargo.