Section 3.7 MEETINGS OF BOARD.
   (a)   The board of commissioners shall fix suitable times for its regular meetings, which shall be as often as once monthly. Special meetings may be held on the call of the mayor or a majority of the commissioners, and those not joining in the call shall be notified in writing. Any business may be transacted at a special meeting that might be transacted at a regular meeting.
   (b)   All meetings of the board of commissioners shall be open to the public. The board shall not, by executive session or otherwise, formally consider or vote upon any question in private session.
(Session Laws of 1965, Chapter 79 § 3.7)