Ill. Admin. Code tit. 41, § 255.90
b) All appeal requests shall:
1) Be in writing;
d) The appeal request shall be mailed to:
Office of the State Fire Marshal
Attn: Legal Division
1035 Stevenson Drive
Springfield, Illinois 62703-4259
e) In the event of a timely written appeal, the Office shall conduct an administrative hearing governed by this Section. Notice of the time and place for any hearing shall be given to any party concerned at least 30 calendar days prior to the hearing date. If an attorney, through written communication, is known to represent any party to a hearing, then notice is to be given to that attorney. A corporation, limited liability company, professional limited liability company, or partnership must appear by legal counsel, licensed to practice in the State of Illinois or appearing pro hac vice, who must file an appearance with the Office. Service of the notice of violations may be in person, by electronic transmission, or by registered or certified mail. Notice sent to the last known address by U.S. mail, registered or certified, addressed to all parties or their agents appointed to receive service of process, or their attorneys when applicable, is sufficient.
A) The date, time, place, and nature of the hearing.