Versions of Illinois Compiled Statutes > 20 ILCS 3953 - Government Buildings Energy Cost Reduction Act of 1991 on LawServer 2024 Illinois Compiled Statutes > 20 ILCS 3953 – Government Buildings Energy Cost Reduction Act of 1991 2023 Illinois Compiled Statutes > 20 ILCS 3953 – Government Buildings Energy Cost Reduction Act of 1991 2022 Illinois Compiled Statutes > 20 ILCS 3953 – Government Buildings Energy Cost Reduction Act of 1991 2021 Illinois Compiled Statutes > 20 ILCS 3953 – Government Buildings Energy Cost Reduction Act of 1991 2020 Illinois Compiled Statutes > 20 ILCS 3953 – Government Buildings Energy Cost Reduction Act of 1991 2019 Illinois Compiled Statutes > 20 ILCS 3953 – Government Buildings Energy Cost Reduction Act of 1991 2017 Illinois Compiled Statutes > 20 ILCS 3953 – Government Buildings Energy Cost Reduction Act of 1991 2016 Illinois Compiled Statutes > 20 ILCS 3953 – Government Buildings Energy Cost Reduction Act of 1991 2015 Illinois Compiled Statutes > 20 ILCS 3953 – Government Buildings Energy Cost Reduction Act of 1991 2014 Illinois Compiled Statutes > 20 ILCS 3953 – Government Buildings Energy Cost Reduction Act of 1991 2013 Illinois Compiled Statutes > 20 ILCS 3953 – Government Buildings Energy Cost Reduction Act of 1991 2010 Illinois Compiled Statutes > 20 ILCS 3953 – Government Buildings Energy Cost Reduction Act of 1991 2009 Illinois Compiled Statutes > Government > Chapter 20 > Boards and Commissions > 20 ILCS 3953/ – Government Buildings Energy Cost Reduction Act of 1991