Ill. Admin. Code tit. 83, § 470.210
a) Prior to enrolling or re-enrolling retail customers in an Opt-in or Opt-out Aggregation Program, or whenever there is a change in the rates, end date or choice of Aggregation Supplier of the Aggregation Program, the Aggregation Supplier shall verify that retail customers have been sent disclosures as required by Section 1-92 of the IPA Act evidenced by:
b) If the Aggregation Supplier sends the required disclosure to retail customers, the disclosure shall state: