28.—(1) Where the appellant is—
(a)a former member of an old Tribunal,
(b)a former employee of an old Tribunal, of the old Service or of the Valuation Tribunal, or
(c)an employee or member of the Valuation Tribunal;
the appeal must be dealt with by such members of the Valuation Tribunal as may be appointed for that purpose by the President.
(2) Where it appears to the President that by reason of a conflict of interests, or the appearance of such a conflict, it would be inappropriate for an appeal to be dealt with by particular members of the Valuation Tribunal, the President must appoint other members to deal with that appeal.