Ohio Rev. Code Ann. § 4301.332
(B) Upon the presentation of a petition, not later than four p.m. of the ninetieth day before the day of a general or primary election, to the board of elections of the county where the precinct is located, designating whether it is a petition for an election for the submission of one or both of the questions specified in section 4301.353 of the Revised Code, or a petition for the submission of one or more of the questions specified in section 4301.354 of the Revised Code, designating the particular question or questions specified in section 4301.353 or 4301.354 of the Revised Code that are to be submitted, and signed by the qualified electors of the precinct concerned, equal in number to thirty-five per cent of the total number of votes cast in the precinct concerned for the office of governor at the preceding general election for that office, the board shall submit the question or questions specified in the petition to the electors of the precinct concerned, on the day of the next general or primary election, whichever occurs first and shall proceed as follows: