Contact the authorized education provider to complete a one-hour class. Obtain a certificate to show successful completion of the class.Information about the Ohio Notary Commission. The Ohio Secretary of State's office commissions and maintains records of all notaries public in Ohio. Applicants for an Ohio Notary Public commission are required to take a threehour Notary training course from a stateapproved education and testing provider. We help you fulfill all Ohio Notary Public requirements. Our Step-by-Step Checklist makes it easy to become a Notary. 1- Be 18 years of age or older. 2- Be a citizen or a legal permanent resident of the United States. The online application can be filled out electronically and printed out.