Ohio Rev. Code § 3501.03
Notice of election
September 29, 2011 House Bill 153 - 129th General Assembly At least ten days before the time for holding an election the board of elections shall give public notice by a proclamation, posted in a conspicuous place in the courthouse and city hall, or by one insertion in a newspaper of general circulation in the county. The board shall have authority to publicize information relative to registration or elections.