20 ILCS 1710/1710-20: Mental Health and Developmental Disabilities Code.

(a) The Department has the power to administer the provisions of the Mental Health and Developmental Disabilities Code that pertain to the responsibilities of the Department.

(b) The Department has the power to initiate injunction proceedings wherever it appears to the Secretary that any person, group of persons, or corporation is engaged or about to engage in any acts or practices that constitute or will constitute a violation of the Mental Health and Developmental Disabilities Code or any rule or regulation prescribed under authority of that Code. The Secretary may, in his or her discretion, through the Attorney General, file a complaint and apply for an injunction, and upon a proper showing, any circuit court may issue a permanent or preliminary injunction or a temporary restraining order without bond to enforce that Code, rule, or regulation in addition to the penalties and other remedies provided in that Code, rule, or regulation. Either party may appeal as in other civil cases.