Versions of See prior versions of a law on LawServer 2024 Illinois Compiled Statutes 225 ILCS 340/1 – The practice of structural engineering in the State of Illinois is … 2023 Illinois Compiled Statutes 225 ILCS 340/1 – The practice of structural engineering in the State of Illinois is … 2022 Illinois Compiled Statutes 225 ILCS 340/1 – The practice of structural engineering in the State of Illinois is … 2021 Illinois Compiled Statutes 225 ILCS 340/1 – The practice of structural engineering in the State of Illinois is … 2020 Illinois Compiled Statutes 225 ILCS 340/1 – The practice of structural engineering in the State of Illinois is … 2019 Illinois Compiled Statutes 225 ILCS 340/1 – The practice of structural engineering in the State of Illinois is … 2017 Illinois Compiled Statutes 225 ILCS 340/1 – The practice of Structural Engineering in the State of Illinois is … 2016 Illinois Compiled Statutes 225 ILCS 340/1 – The practice of Structural Engineering in the State of Illinois is … 2015 Illinois Compiled Statutes 225 ILCS 340/1 – The practice of Structural Engineering in the State of Illinois is .. 2014 Illinois Compiled Statutes 225 ILCS 340/1 – The practice of Structural Engineering in the State of Illinois is 2013 Illinois Compiled Statutes 225 ILCS 340/1 – The practice of Structural Engineering in the State of Illinois is … 2010 225 ILCS 340/1 – The practice of Structural Engineering in the State of Illinois… 2009 225 ILCS 340/1