215 ILCS 5/131.9
All statements, amendments or other material filed under Section 131.5 must be delivered to the domestic company within 10 business days after the acquiring party has made the filing with the Director. The domestic company shall then send to its securityholders the summary of the proposed acquisition within 5 business days of such delivery. The notice shall contain an address where a copy of the statement filed with the Director can be obtained upon request. The expenses of the mailing and any requests for the statement and the mailing of the notice of hearing by the company required under subsection (2) of Section 131.8 must be borne by the person making the filing. As security for the payment of the expenses, the person may be required to file with the Director an acceptable bond or other deposit in an amount to be determined by the Director.
215 ILCS 5/131.9