Ill. Admin. Code tit. 50, § 8010.40
c) The vehicle owner shall supply the following insurance verification information:
f) An owner shall be given a forty-five (45) day notice that his/her vehicle registration shall be suspended for one of the following reasons:
4) if the information supplied by the vehicle owner is not verified in the insurance company's response.
The registration suspension shall be cancelled (if the suspension has not yet become effective) or rescinded (if the suspension has become effective) if the owner presents to the Department evidence as required by this Part of insurance in effect on the verification date.