—(1) An application to a Tribunal to be made a party to a proceeding shall —
be made within 14 days from the date when notice of the making of the application or reference was advertised in the Gazette under regulation 21(1);
specify the date when the proceeding was instituted and the relevant case file number;
set out the interest of the applicant —
where the proceeding is a reference under section 161 or 162, or an application under section 163, of the Act — in the matter in dispute; and
request the Tribunal to make the person a party to the proceeding; and
be in Form 18.
(2) The Tribunal shall give to the applicant, to every party to the proceeding, and to every other person who has applied to be made a party to the proceeding and whose application has not been determined, an opportunity of presenting a case.