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.You'll need the completed POA form, vehicle's title or registration, and governmentissued photo IDs for both the owner and agent. Can't find what you are looking for? Check out our Frequently Asked Questions section or call our Auto Title Dedicated Hotline at 614.525.3090. 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. Proof of ownership is required in Ohio. When a Power of Attorney form is necessary for a. Certificate of Title transaction, it must always be notarized. All signatures must be notarized.