56 Ill. Adm. Code 353.200
Obligations and Prohibited Conduct
Section 353
Section 353.200 Obligations
and Prohibited Conduct
No person shall discharge,
discipline, or in any other way discriminate against, or cause to be
discharged, disciplined, or discriminated against, any employee or any
authorized representative of employees by reason of the fact that the employee
or representative has filed, instituted, or caused to be filed or instituted
any proceeding under this Act, or has testified or is about to testify in any
proceeding resulting from the administration or enforcement of this Act, or
offers any evidence of any violation of this Act.
(Section 11b(a) of the
Act)