Ohio Rev. Code Ann. § 101.11

At two p.m. of the day appointed for the beginning of the first regular session of the general assembly, the speaker of the house of representatives during the preceding biennium or in his absence, the speaker pro tempore of the house of representatives during the preceding biennium shall take the chair, call the representatives-elect to order, and appoint one of them clerk pro tempore. He also shall call the districts in numerical order and, as they are called, the representatives-elect therefrom shall present their certificates and take the oath of office.