110 ILCS 110/1
A public institution of higher education shall adopt a policy which reasonably accommodates the religious observance of individual students in regard to admissions, class attendance, and the scheduling of examinations and work requirements. This policy shall include a grievance procedure by which a student who believes that he or she has been unreasonably denied an educational benefit due to his or her religious belief or practices may seek redress. Such policy shall be made known to faculty and students annually by inclusion in the institution's handbook, manual or other similar document regularly provided to faculty and students. For the purposes of this Section (a) "public institution of higher education" means the University of Illinois, Southern Illinois University, Chicago State University, Eastern Illinois University, Governors State University, Illinois State University, Northeastern Illinois University, Northern Illinois University, Western Illinois University, the public community colleges of the State and any other public universities, colleges and community colleges now or hereafter established or authorized by the General Assembly; and (b) "religious observance" or "religious practice" includes all aspects of religious observance and practice, as well as belief.
110 ILCS 110/1