It shall be unlawful, on Department-owned, -leased or -managed property or facilities for any person to possess or consume intoxicating beverages, including beer or wine, in any Department-owned, -leased or -managed property or facilities that is posted with signs indicating that the possession or consumption is unlawful.
Ill. Admin. Code tit. 17, § 110.20
Amended at 24 Ill. Reg. 12556, effective August 7, 2000