In order to sell a car in Ohio, the seller must fill out the back of the title with the buyer's correct information and have the title notarized. This form includes important information regarding the buyer, the seller, and the vehicle.Affix the notary's signature to a blank or incomplete form. You can get a notarized bill of sale template from a legal or business website. To get started, download the form or template and fill it out. Vehicle Registration Forms. Ex "I saw John Smith sign Bill of Sale, Odometer statement and Title Application " ? National Notary Association. The Ohio bill of sale form provides concrete evidence of the crucial information of selling a piece of personal property. My property value changed.