Versions of See prior versions of a law on LawServer 2024 Illinois Compiled Statutes > 20 ILCS 3420 – Illinois State Agency Historic Resources Preservation Act 2023 Illinois Compiled Statutes > 20 ILCS 3420 – Illinois State Agency Historic Resources Preservation Act 2022 Illinois Compiled Statutes > 20 ILCS 3420 – Illinois State Agency Historic Resources Preservation Act 2021 Illinois Compiled Statutes > 20 ILCS 3420 – Illinois State Agency Historic Resources Preservation Act 2020 Illinois Compiled Statutes > 20 ILCS 3420 – Illinois State Agency Historic Resources Preservation Act 2019 Illinois Compiled Statutes > 20 ILCS 3420 – Illinois State Agency Historic Resources Preservation Act 2017 Illinois Compiled Statutes > 20 ILCS 3420 – Illinois State Agency Historic Resources Preservation Act 2016 Illinois Compiled Statutes > 20 ILCS 3420 – Illinois State Agency Historic Resources Preservation Act 2015 Illinois Compiled Statutes > 20 ILCS 3420 – Illinois State Agency Historic Resources Preservation Act 2014 Illinois Compiled Statutes > 20 ILCS 3420 – Illinois State Agency Historic Resources Preservation Act 2013 Illinois Compiled Statutes > 20 ILCS 3420 – Illinois State Agency Historic Resources Preservation Act 2010 Illinois Compiled Statutes > 20 ILCS 3420 – Illinois State Agency Historic Resources Preservation Act 2009 Illinois Compiled Statutes > Government > Chapter 20 > Historic Preservation Agency > 20 ILCS 3420/ – Illinois State Agency Historic Resources Preservation Act