(1) The Deputy President of the Tribunal may act as President if the President is unable to perform his or her duties or functions.
(2) The President may appoint a senior member of the Tribunal to act as Deputy President if the Deputy President is unable to perform his or her duties or functions.
(3) For the purposes of this section, the person who acts as President or Deputy President—
(a) has all the powers and must perform all the duties of the President or Deputy President, as the case may be; and
(b) is entitled to be paid the remuneration and allowances for the time being payable to the President or Deputy President, as the case may be.