65 ILCS 5/8-12-12

Thereafter, the Directors shall prescribe the times and places for their meetings and the manner in which regular and special meetings may be called. The Directors shall comply in all respects with the Open Meetings Act. The Authority shall be a public body to which The Freedom of Information Act applies. (b) A majority of the Directors holding office shall constitute a quorum for the conduct of business. The affirmative votes of at least 3 Directors shall be necessary for adopting any rule or regulation, and for any other action required by this Division to be taken by resolution, directive or ordinance.