18. Application to summons a witness
(1) Any party to an inquiry may request the President of the Tribunal to issue a Summons to a Witness or a Summons to a Witness to Produce Documents.
(2) The party who causes a Summons to Witness or a Summons to Witness to Produce Documents to be issued shall arrange for such Summons to be served personally upon the person named in the Summons.
(3) A Summons to Witness or a Summons to Witness to Produce Documents shall be served not less than 3 days before the day appointed in the Summons for attendance.