Ohio Rev. Code Ann. § 3517.12
(B) The circulator or the committee in charge of an initiative or referendum petition, or supplementary petition for additional signatures, for the submission of a constitutional amendment, proposed law, section, or item of any law shall, within thirty days after those petition papers are filed, file with the secretary of state, on a form prescribed by the secretary of state, an itemized statement, made under penalty of election falsification, showing in detail the following: