If the court makes an order under section 103I , 103J or 103K that a proceeding no longer continue under this part—
(a) the proceeding may be continued as a proceeding by the representative party on the party’s own behalf against the defendant; and
(b) on the application of a person who was a group member for the proceeding, the court may order that the person be joined as an applicant or plaintiff in the continued proceeding.