Ohio Rev. Code § 303.19

October 1, 1953 House Bill 1 - 100th General Assembly The lawful use of any dwelling, building, or structure and of any land or premises, as existing and lawful at the time of enactment of a zoning resolution or amendment thereto, may be continued, although such use does not conform with the provisions of such resolution or amendment, but if any such nonconforming use is voluntarily discontinued for two years or more, any future use of such land shall be in conformity with sections 303.01 to 303.25 , inclusive, of the Revised Code. The board of county commissioners shall provide in any zoning resolution for the completion, restoration, reconstruction, extension, or substitution of nonconforming uses upon such reasonable terms as are set forth in the zoning resolution.