Illinois Statutes Chapter 225. Professions,Occupations and Business Operations § 225/11. Notice of violation

(a) be in writing;

(b) include a statement of the reasons for the issuance of the notice;

(c) allow reasonable time as established by rule for the performance of any act it requires;

(d) be served upon the owner, operator or licensee as the case may require; provided that such notice or order shall be deemed to have been properly served upon such owner, operator or licensee when a copy thereof has been sent by registered or certified mail to his last known address as furnished to the Department; or, when he has been served with such notice by any other method authorized by the laws of this State; and

(e) contain an outline of remedial action, which is required to effect compliance with this Act and the rules and regulations issued under this Act.