775 ILCS 15/3
No financial institution, governmental agency, or shipping company shall enter into any contract of whatever nature which contains any provision which discriminates or appears to discriminate against any person on the basis of race, color, creed, national ancestry or sex or on ethnic or religious grounds, or of any connection between that person and any other entity.
(from Ch. 29, par. 93)
(Source: P.A. 79-964.)