Mississippi Code Title 49. Conservation and Ecology § 49-17-35

Any interested person shall have the right to request the commission to call a hearing for the purpose of taking action in respect to any matter within the jurisdiction of the commission by making a request therefor in writing. Upon receipt of any such request, the commission shall conduct such investigations as it deems necessary and may call a special hearing or may schedule such matter for its next regular meeting or hearing day, and after such hearings and with all convenient speed and in any event within thirty (30) days after the conclusion of such hearing shall take such action on the subject matter thereof as it may deem appropriate.