Ohio Rev. Code Ann. § 4905.403
(A) As used in this section:
(1) "Control bid" means the purchase of, or offer to purchase, from a resident of this state, by tender offer, invitation for tenders, or otherwise, any equity security of a natural gas company in this state that is a public utility under section 4905.02 of the Revised Code or any equity security of a holding company controlling such a company, if, after that purchase, the offeror would be directly or indirectly the beneficial owner of more than ten per cent of any class of the issued and outstanding equity securities of the subject natural gas company or subject holding company. "Control bid" excludes any of the following: