Section 8: One person may sue or defend

on behalf of all in same interest (1) Where there are numerous persons having the same interest in one suit, one or more of such persons may, with the permission of the court, sue or be sued, or may defend in such suit, on behalf of or for the benefit of all persons so interested. But the court shall in such case give notice of the institution of the suit to all such persons either by personal service or, where, from the number of persons or any other cause, such service is not reasonably practicable, by public advertisement, as the court in each case may direct. (2) Any persons on whose behalf or for whose benefit a suit is instituted or defended under subrule (1) of this rule may apply to the court to be made a party to that suit.