All owners must complete the assignment. Power of attorney can be used, but the original Power of Attorney for Certificate of Title (form BMV 3771) is required.Complete the application and have your signature notarized. To apply for an electronic title online via the Ohio Title Portal or to learn more about this service, please visit this Ohio BMV page. Proof of ownership is required in Ohio. A Certificate of Title is one of the most notarized documents in the State of Ohio. Do not fill in any part of the Title unless it is done in the presence of a Notary Public or other duly authorized officer with power to administer oaths.