Ill. Admin. Code tit. 14, § 140.130
b) A notice will be sent to the applicant named in the application for registration, by certified mail, return receipt requested, addressed to the most recent address reflected in the application for registration. The notice will inform the applicant that the application for registration is incomplete and one of the following must be done within 30 days after the date of the Notice:
d) When such an order is entered by the Secretary of State: