Ohio Revised Code Title XXXV. Elections § 3501.02

(A) For the election of electors of president and vice-president of the United States, in the year of 1932 and every four years thereafter;

(B) For the election of a member of the senate of the United States, in the years 1932 and 1934, and every six years after each of such years; except as otherwise provided for filling vacancies;

(C) For the election of representatives in the congress of the United States and of elective state and county officers including elected members of the state board of education, in the even-numbered years; except as otherwise provided for filling vacancies;

(D) For municipal and township officers, members of boards of education, judges and clerks of municipal courts, in the odd-numbered years;

(E) Proposed constitutional amendments or proposed measures submitted by the general assembly or by initiative or referendum petitions to the voters of the state at large may be submitted to the general election in any year occurring at least sixty days, in case of a referendum, and ninety days, in the case of an initiated measure, subsequent to the filing of the petitions therefor. Proposed constitutional amendments submitted by the general assembly to the voters of the state at large may be submitted at a special election occurring on the day in any year specified by division (E) of section 3501.01 of the Revised Code for the holding of a primary election, when a special election on that date is designated by the general assembly in the resolution adopting the proposed constitutional amendment.

No special election shall be held on a day other than the day of a general election, unless a law or charter provides otherwise, regarding the submission of a question or issue to the voters of a county, township, city, village, or school district.