Illinois Compiled Statutes 755 ILCS 66/7 - Definitions 2021 Illinois Compiled Statutes 755 ILCS 66/7 – Definitions 2017 Illinois Compiled Statutes 755 ILCS 66/7 – Definitions. As used in this Act: 2019 Illinois Compiled Statutes 755 ILCS 66/7 – Definitions 2020 Illinois Compiled Statutes 755 ILCS 66/7 – Definitions