820 ILCS 96/1-20
Current through Public Act 103-1052
No contract, agreement, clause, covenant, waiver, or other document shall prohibit, prevent, or otherwise restrict an employee, prospective employee, or former employee from reporting any allegations of unlawful conduct to federal, State, or local officials for investigation, including, but not limited to, alleged criminal conduct or unlawful employment practices.
820 ILCS 96/1-20