Constitution of the State of Ohio Art. III, § 22

The supreme court has original, exclusive, and final jurisdiction to determine disability of the governor or governor-elect upon presentment to it of a joint resolution by the general assembly, declaring that the governor or governor-elect is unable to discharge the powers and duties of the office of governor by reason of disability.  Such joint resolution shall be adopted by a two-thirds vote of the members elected to each house.  The supreme court shall give notice of the resolution to the governor and after a public hearing, at which all interested parties may appear and be represented, shall determine the question of disability.  The court shall make its determination within twenty-one days after presentment of such resolution.

If the governor transmits to the supreme court a written declaration that the disability no longer exists, the supreme court shall, after public hearing at which all interested parties may appear and be represented, determine the question of the continuation of the disability.  The court shall make its determination within twenty-one days after transmittal of such declaration.

The supreme court has original, exclusive, and final jurisdiction to determine all questions concerning succession to the office of the governor or to its powers and duties.