15 ILCS 520/22.8
The State Treasurer shall develop, publish, and implement an investment policy covering the management of all State funds under his or her control. The investment policy shall be published each year in the State Treasurers' annual report as prescribed in Section 15 of the State Treasurer Act ( 15 ILCS 505/15) . The policy shall also be published at least once each year in at least one newspaper of general circulation in both Springfield and Chicago and published on the State Treasurer's official website. Any such investment policy adopted by the State Treasurer shall be reviewed, and updated if necessary, within 90 days following the installation of a new State Treasurer.
The investment policy shall include material, relevant, and decision-useful sustainability factors to be considered by the State Treasurer in evaluating investment decisions, including, but not limited to: (1) corporate governance and leadership factors; (2) environmental factors; (3) social capital factors; (4) human capital factors; and (5) business model and innovation factors, as provided under the Illinois Sustainable Investing.
15 ILCS 520/22.8