(a)      The Commissioner, employees of the Commissioner's office, and other State employees acting under supervision of the Commissioner's office may not own stock in any institution that is subject to examination or supervision by the Commissioner.

      (b)      This section does not apply to a member share account of the Commissioner, an employee of the Commissioner's office, or other State employees acting under the supervision of the Commissioner's office held at a credit union that has a membership of over 60,000 State employees.