Versions of Illinois Compiled Statutes 815 ILCS 121/150 - Confidential information on LawServer 2024 Illinois Compiled Statutes 815 ILCS 121/150 – Confidential information 2023 Illinois Compiled Statutes 815 ILCS 121/150 – Confidential information 2022 Illinois Compiled Statutes 815 ILCS 121/150 – Confidential information