Illinois Statutes Chapter 820. Employment § 191/21. Employments exempted from coverage

(a) This Act does not apply to an employer or employee as defined in either the federal Railroad Unemployment Insurance Act (45 U.S.C. 351 et seq.) or the Federal Employers' Liability Act, United States Code, Title 45, Sections 51 through 60, or other comparable federal law.

(b) Nothing in this Act shall be construed to invalidate, diminish, or otherwise interfere with any collective bargaining agreement nor shall it be construed to invalidate, diminish, or otherwise interfere with any party's power to collectively bargain such an agreement. The rights afforded under this Act serve as the minimum standard in a negotiated collective bargaining agreement.

(c) This Act does not apply to any other employment expressly exempted under rules adopted by the Department as necessary to implement this Act in accordance with applicable State and federal law.