Ill. Admin. Code tit. 17, § 110.20
Alcoholic Beverages – Possession, Consumption, Influence
Effective Sep 24, 202145 Ill. Reg. 12553AUTHORITY: Implementing and authorized by Section 8 of the State Forest Act [525 ILCS 40]; Sections 1, 2, 4 and 6 of the State Parks Act [20 ILCS 835]; Section 5 of the State Parks Designation Act [20 ILCS 840]; Sections 805-10, 805-520, 805-525, 805-330, 805-335 and 805-515 of the Civil Administrative Code of Illinois [20 ILCS 805]; and Section 5 of the Crematory Regulation Act [410 ILCS 18].DEPARTMENT OF NATURAL RESOURCES
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.
(Source: Amended at 45 Ill. Reg. 12553, effective September 24, 2021)