Versions of Illinois Compiled Statutes 70 ILCS 860/15 - Solicitation of proposals on LawServer 2024 Illinois Compiled Statutes 70 ILCS 860/15 – Solicitation of proposals 2023 Illinois Compiled Statutes 70 ILCS 860/15 – Solicitation of proposals 2022 Illinois Compiled Statutes 70 ILCS 860/15 – Solicitation of proposals 2021 Illinois Compiled Statutes 70 ILCS 860/15 – Solicitation of proposals