An alternative retail electric supplier shall not knowingly submit an enrollment to change a customer's electric supplier if the electric utility's records indicate that the customer either received financial assistance in the previous 12 months from the Low Income Home Energy Assistance Program, Low Income Home Water Assistance Program (LIHWAP), or, at the time of enrollment is participating in the Percentage of Income Payment Plan, unless:
Ill. Admin. Code tit. 83, § 412.40