83 Ill. Adm. Code 460.310
Complaints
Section 460
Section 460.310 Complaints
a) Each MSP shall investigate each complaint received. The
receipt of all written complaints shall be acknowledged in writing or verbally.
b) Each complaint received by an MSP shall be documented, and any
records required by this Part shall be made available to Commission personnel
upon request. Each record shall contain, at a minimum, the name and address of
the complainant, the time of day and the date received, the nature of the
complaint, the result of the investigation and/or analysis, when and by whom conducted,
the final disposition of the complaint, and the date of disposition.
c) Records of complaints related to accuracy of metering
equipment or data, other than requests for meter rereads, shall be kept in the
following manner: each MSP receiving complaints shall keep an index or file
containing all these complaints for three years, separated by year. If the MSP
chooses to maintain an index of complaints, it shall contain enough information
to allow access to individual records of each complaint.