Ohio Rev. Code § 1115.02: Conversion of national or other institution into state stock bank.

A national bank, a bank doing business under authority granted by the bank regulatory authority of another state, a savings association, a savings bank, or a state or federally chartered credit union may, with the approval of the superintendent of financial institutions, convert into a stock state bank or mutual state bank by submitting an application in accordance with rules adopted by the superintendent for this purpose.