Ill. Admin. Code tit. 83, § 280.210
b) Conditions: Payment avoidance by location (PAL) applies only when all the following conditions occur:
d) Notification of PAL: When a utility can demonstrate with evidence that a pattern of payment avoidance is occurring by a person or persons at a location, in order to invoke the protections of this Section, it shall provide the following notice:
e) Deposit: When a utility has proof that PAL is occurring, it may require the applicant to provide a deposit under the following conditions:
g) Data Collection and Maintenance: A utility that includes this Section as part of its practices shall collect the following data on a monthly basis and maintain the data for two years following its collection. The utility shall make the data available to Commission Staff within 30 days after a request from Staff: