Ohio Rev. Code § 507.06: Oaths.

The township fiscal officer may administer oaths, and take and certify affidavits, that pertain to the business of the township or of the board of education of the fiscal officer's local school district, or are connected with the official business of either the township or the local school district, including the official oaths of township and school officers, and oaths required in the execution, verification, and renewal of security interests.