(1) The Commission may initiate any proceedings suo motu or a petition filed any affected or interested person.
(2) When the Commission initiates the proceedings, it shall be by a due notice issued by the Commission. The Commission may give such orders and directions as may be deemed necessary, for serving of notices to the affected parties, for the filing of replies and rejoinders against or in support of the petition in such form as the Commission may direct. The Commission may, if it considers appropriate, issue orders for publication of the petition inviting comments from the public or any class of persons on the issue involved in the proceedings in such form as the Commission may direct.
(3) While issuing the notice or inquiry the Commission may, in suo motu proceedings and other appropriate cases, designate an officer of the Commission or any other person whom the Commission considers appropriate to present the matter in the capacity of a petitioner in the case.