If you want to buy or sell a car or boat in Ohio, you need a bill of sale. To apply in person, you will need to visit any Ohio County Clerk of Courts Title Office with your valid photo ID and payment of title fees.A bill of sale is a legal document that records the transfer of ownership of an asset to a second party in exchange for money. An Ohio Bill of Sale is a document used to help Ohio residents sell a piece of their personal property to another individual. An Ohio motor vehicle bill of sale is a legal document providing proof of the sale and purchase of a motor vehicle in the State of Ohio. This document will provide a guide to the rules and regulations for the preparation and approval of survey plats and legal descriptions. We walk you through how to transfer a car title in the state of Ohio, making your selling or buying process as straightforward as possible. A bill of sale for selling a car serves as proof of purchase and transfer of ownership. It's a combination of a sales receipt and a contract.