56 Ill. Adm. Code 5300.620
Service of Complaint
Section 5300
Section 5300.620 Service of
Complaint
Within five days after a
Complaint is duly filed with the Commission by the Department or by an
Aggrieved Party, the Commission shall cause it to be served on all Parties
either personally or by depositing copies in the mail, properly addressed and
posted, for certified delivery.