Supporting documentation for a vehicle title transaction. Title Transfer Bill of Sale.Library File Link. 38-1306. Purpose. It serves as official proof of the transfer of ownership from the seller to the buyer. We are familiar with the documents and processes for brand new vehicles, which differ from used vehicle title transfers. The freezing process helps to stabilize one of the components of the property tax bill, it does not freeze full cash value nor property taxes. Buyer and Seller Information: Names, addresses, and signatures of both parties confirming their involvement in the transaction.