Section 225 ILCS 225/11 - Notice of violationWhenever the Department determines that there are reasonable grounds to believe that there has been violation of any provision of this Act or the rules and regulations issued under this Act, the Department shall give notice of such alleged violation, as herein provided. Such notice shall:
(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.