Ohio Rev. Code Ann. § 1115.05
(A) As used in this section:
(1) "Acquire" or "acquisition" means any of the following transactions or actions:
(B) Subject to divisions (C) and (D) of this section, a bank or bank holding company whose principal place of business is in this state or any other state may charter or otherwise acquire an Ohio bank, and a bank may acquire banking offices in this state by merger or consolidation with or transfer of assets and liabilities from a bank, savings bank, or savings association that has offices in this state, if, upon consummation of the acquisition, both of the following will apply:
(1) The acquiring bank with, or the acquiring bank holding company through, its affiliate banks, savings banks, and savings associations, does not control more than ten per cent of the total deposits of banks, savings banks, and savings associations in the United States, and either of the following applies:
(C)
(D)