2024 Illinois Compiled Statutes 225 ILCS 320/18 – Local regulation; Department standards

2023 Illinois Compiled Statutes 225 ILCS 320/18 – Local regulation; Department standards

2022 Illinois Compiled Statutes 225 ILCS 320/18 – Local regulation; Department standards

2021 Illinois Compiled Statutes 225 ILCS 320/18 – Local regulation; Department standards

2020 Illinois Compiled Statutes 225 ILCS 320/18 – Local regulation; Department standards

2019 Illinois Compiled Statutes 225 ILCS 320/18 – Local regulation; Department standards

2017 Illinois Compiled Statutes 225 ILCS 320/18 – Local regulation; Department standards

2016 Illinois Compiled Statutes 225 ILCS 320/18 – Local regulation; Department standards

2015 Illinois Compiled Statutes 225 ILCS 320/18 – Local regulation; Department standards

2014 Illinois Compiled Statutes 225 ILCS 320/18 – Local regulation; Department standards

2013 Illinois Compiled Statutes 225 ILCS 320/18 – Local regulation; Department standards

2010 225 ILCS 320/18 – Local regulation; Department standards

2009 225 ILCS 320/18 – Local regulation; Department standards