39 Miss. Code. R. 1-16-101
Every regulated utility shall file on or before May 1st of each year an annual report on the published form of the Commission or a form approved by the Commission. The annual report form is accessible on the Commission's website or by contacting the Executive Secretary of the Commission. All annual reports are available for public inspection and copying except for information contained therein which is confidential or otherwise exempt from public disclosure pursuant to applicable law.
Utilities making reports to any federal agency may file a copy of such report in lieu of the report herein required if such report contains generally the same information required by the Commission. Such reports shall be filed not later than the date required by the federal agency.
Failure to timely file the required annual report may result in appropriate sanctions imposed by the Commission.
39 Miss. Code. R. 1-16-101