Versions of Illinois Compiled Statutes 815 ILCS 603/20 - Retainage on LawServer 2024 Illinois Compiled Statutes 815 ILCS 603/20 – Retainage 2023 Illinois Compiled Statutes 815 ILCS 603/20 – Retainage 2022 Illinois Compiled Statutes 815 ILCS 603/20 – Retainage 2021 Illinois Compiled Statutes 815 ILCS 603/20 – Retainage 2020 Illinois Compiled Statutes 815 ILCS 603/20 – Retainage