A majority of the commissioners constitutes a quorum, and a concurrence of a majority of their number regarding any matter within the scope of their duties is sufficient.
70 ILCS 605/4-11
Organization of Commissioners-Quorum.) The commissioners shall elect one of their number as chairman and shall elect a secretary, who may or may not be a commissioner
P.A. 80-579.
Official source: Illinois General Assembly. Reproduced from public-domain Illinois statutes; confirm against the official source for the current text. Not legal advice.