1. Each year the Commissioner shall make a thorough examination of and into the affairs of every bank holding company and every banking subsidiary thereof doing business in this state or accept a report of an examination made by the Comptroller of the Currency, the Federal Deposit Insurance Corporation or the Board of Governors of the Federal Reserve System.
2. The Commissioner may make additional examinations of any bank holding company and its subsidiaries.
3. The expense of any examination made by the Commissioner must be borne by the bank holding company being examined.