Ohio Rev. Code § 4901.19
The public utilities commission may appoint a secretary, attorney examiners, experts, engineers, accountants, and such other officers as it considers necessary, who shall be in the classified civil service except for persons in attorney examiner or supervisory policy-making positions, who shall serve at the pleasure of the commission. The commission's discretion as to whether or not a position is an attorney examiner position or a supervisory policy-making position shall be exercised upon the affirmative vote of at least four commissioners. All vouchers for the payment of officers, experts, examiners, engineers, statisticians, accountants, inspectors, stenographers, clerks, and other employees of the commission shall be approved by two public utilities commissioners.
The secretary, or such other officer as is designated by the commission, shall keep a complete record of all proceedings of the commission, issue all necessary process, writs, warrants, and notices, and keep all books, maps, documents, and papers ordered filed by the commission, or approved and confirmed by it and ordered filed. Such secretary or other officer shall be responsible to the commission for the custody and safe preservation of all documents in its office. Under the direction of the commission, the secretary or any other officer shall perform such duties as the commission prescribes. The secretary and attorney examiners may administer oaths in all parts of the state insofar as the exercise of such power is properly incidental to the performance of their duties or the duties of the commission.
R.C. § 4901.19