Section 215 ILCS 5/427 - Cease and desist orders and modifications thereof(1) If, after such hearing, the Director shall determine that the method of competition or the act or practice in question is defined in Section 424 and that the person complained of has engaged in such method of competition, act or practice in violation of this article, he shall reduce his findings to writing and shall issue and cause to be served upon the person charged with the violation an order requiring such person to cease and desist from engaging in such method of competition, act or practice.(2) Until the expiration of the time allowed under Section 407 of this Code for filing a complaint for review if no such complaint has been duly filed within such time or, if a complaint for review has been filed within such time, then until the answer in the proceeding has been filed in the court, as provided in said section, the Director may at any time, upon such notice and in such manner as he shall deem proper, modify or set aside in whole or in part any order issued by him under this section.(3) After the expiration of the time allowed for filing such a complaint for review if no such complaint has been duly filed within such time, the Director may at any time, after notice and opportunity for hearing, reopen and alter, modify or set aside, in whole or in part, any order issued by him under this section, whenever in his opinion conditions of fact or of law have so changed as to require such action or if the public interest shall so require.