820 ILCS 175/43
The requirements set forth in Section 42 shall not apply to any company where the direct hire employees of the third party client performing the same or substantially similar work as the day or temporary laborers assigned to work at the third party client are covered by a valid collective bargaining agreement in effect on April 1, 2024 for the period covered by that current collective bargaining agreement. Thereafter, the hourly cash payment specified in subsection (b) of Section 42 shall not be required if the direct hire employees of the third party client performing the same or substantially similar work as the day or temporary laborers assigned to work at the third party client are covered by a valid collective bargaining agreement for any period covered by that collective bargaining agreement.
820 ILCS 175/43