They may be referring to the Ohio Revised Code reference to change of banking operations:
http://codes.ohio.gov/orc/111117.03 Banking office schedules.
(A) A bank may propose to operate a banking office on a less than full-time basis, whether it be regular, intermittent, or occasional.
(B) If a proposed banking office is to be operated by use of a mobile facility, it may do business at more than one identified location.
(C) A bank that establishes a banking office shall notify the superintendent of financial institutions prior to doing either of the following:
(1) Changing the banking office's schedule of operation from part-time to full-time or full-time to part-time;
(2) If the banking office is operated by use of a mobile facility, adding or eliminating any location at which the banking office transacts business within the banking office's service area or changing the banking office's schedule of operation.
Effective Date: 01-01-1997
Also, there is not a Ohio Department of Banking, it is The Ohio Division of Financial Institutions, (ODFI).