Ohio Rev. Code Ann. § 709.26

Upon the passage of the ordinance provided for in section 709.23 of the Revised Code, the clerk of the legislative authority passing such an ordinance shall submit a certified copy of it to the legislative authority of the municipal corporation with which annexation is proposed, and within thirty days after the receipt of such certified copy the legislative authority of the municipal corporation with which annexation is proposed may pass an ordinance designating three commissioners to represent it in such negotiations.