Versions of See prior versions of a law on LawServer 2024 Illinois Compiled Statutes 215 ILCS 5/121 – Transacting business without certificate of authority prohibited 2023 Illinois Compiled Statutes 215 ILCS 5/121 – Transacting business without certificate of authority prohibited 2022 Illinois Compiled Statutes 215 ILCS 5/121 – Transacting business without certificate of authority prohibited 2021 Illinois Compiled Statutes 215 ILCS 5/121 – Transacting business without certificate of authority prohibited 2020 Illinois Compiled Statutes 215 ILCS 5/121 – Transacting business without certificate of authority prohibited 2019 Illinois Compiled Statutes 215 ILCS 5/121 – Transacting business without certificate of authority prohibited 2017 Illinois Compiled Statutes 215 ILCS 5/121 – Transacting business without certificate of authority prohibited 2016 Illinois Compiled Statutes 215 ILCS 5/121 – Transacting business without certificate of authority prohibited 2015 Illinois Compiled Statutes 215 ILCS 5/121 – Transacting business without certificate of authority prohibited 2014 Illinois Compiled Statutes 215 ILCS 5/121 – Transacting business without certificate of authority prohibited 2013 Illinois Compiled Statutes 215 ILCS 5/121 – Transacting business without certificate of authority prohibited 2010 215 ILCS 5/121 – Transacting business without certificate of authority prohibited 2009 215 ILCS 5/121 – Transacting business without certificate of authority prohibited