Ohio Rev. Code § 705.01
Whenever electors of any municipal corporation, equal in number to ten per cent of those who voted at the last regular municipal election, file a petition with the board of elections of the county in which such municipal corporation is situated, asking that the question of organizing the municipal corporation under any one of the plans of government provided in sections 705.41 to 705.86 of the Revised Code, be submitted to the electors thereof, such board shall at once certify that fact to the legislative authority of the municipal corporation and the legislative authority shall, within thirty days, provide for submitting such question at a special election, to be held not less than ninety days after the filing of such petition. Any such election shall be conducted in accordance with the general election laws except as otherwise provided in sections 705.01 to 705.92 of the Revised Code, and the legislative authority of any municipal corporation holding such an election shall appropriate whatever money is necessary for the proper conduct of such election.
R.C. § 705.01