Ill. Admin. Code tit. 89, § 508.40
If the Secretary finds that the public interest, safety or welfare requires emergency action, and if the Secretary incorporates a finding to that effect in an order, summary suspension of a license or authorization to conduct a particular activity may be ordered pending proceedings for revocation, termination or other actions. These proceedings shall be promptly instituted and determined. [5 ILCS 100/10-65]