§ 30.18 QUORUM.
   (A)    A majority of the elected members of the Board shall constitute a quorum thereof, but no ordinance or measure for the expenditure of money shall be passed except upon the favorable vote of a majority of the elected members as provided by statute.
('77 Code, § 30.002)
   (B)    A majority of the corporate authorities shall constitute a quorum to do business. A smaller number, however, may adjourn from time to time, and may compel the attendance of absentees, under whatever penalties, including a fine for a failure to attend, the Board of Trustees may prescribe by ordinance.
('77 Code, § 30.050(B))