83 Ill. Adm. Code 451.40
Customer Records and Information
Section 451
Section 451.40 Customer
Records and Information
a) The applicant shall agree to adopt and follow rules and
procedures ensuring that authorizations received from customers, customer
billing records, and requests for delivery service transmitted to utilities are
retained for a period of not less than two calendar years after the calendar
year in which they were created. In addition to other lawful means of
discovery, these records shall be made available by request to the Commission
or its Staff on a confidential and proprietary basis, as necessary to carry out
the Commission's obligations under the Act.
b) The applicant shall preserve the confidentiality of its
customers' data and shall agree to adopt and follow rules and procedures to
preserve the confidentiality of its customers' data.
c) The foregoing requirements of this Section shall apply to
neither electric cooperatives nor municipal systems making an election under
Section 17-300 of the Act to become an ARES nor to applicants filing under
Section 16-115(e) of the Act.