- (a) Each utility shall make a full and prompt investigation of customer complaints made either directly to the utility or through the department.
- (b) A utility shall keep a record of complaints received for at least 2 years.
(c) The record of each complaint shall show:
- (1) The name, address, and telephone number, if known and available, of the complainant;
- (2) The date and character of the complaint; and
- (3) The resolution of the complaint, if any; and
- (4) The resolution of the complaint by the department, if any.
Source. #13986, eff 5-30-24 (see Revision Note at chapter heading for En 1200)