TITLE 83: PUBLIC UTILITIES
CHAPTER I: ILLINOIS COMMERCE COMMISSION
SUBCHAPTER c: ELECTRIC UTILITIES
PART 454 LICENSURE OF RETAIL ELECTRIC AGENTS, BROKERS AND CONSULTANTS
SECTION 454.100 CUSTOMER RECORDS AND INFORMATION
Section 454.100 Customer Records and Information
a) The licensee shall ensure that authorizations received from customers, and all other applicable records, are retained for a period of not less than three calendar years after the calendar year in which they were created.
b) The licensee shall preserve the confidentiality of its customers' data.