3.—(1) The President may at any time substitute a member of the Lands Tribunal for a member that he has previously selected to sit as the Tribunal or as a member of the Tribunal to hear a case.
(2) Where members of the Lands Tribunal have been selected for a class or group of cases under the provisions of section 3(2) of the Act, the President may from time to time vary the members selected.
(3) Where the President has appointed a member of the Lands Tribunal to be the chairman of any members selected under paragraphs (1) or (2) the chairman shall have the same power as the President to substitute or vary the members selected.
(4) A member of the Tribunal selected to hear a case shall have power to do anything, in relation to that case, which the President has power to do under these Rules.