3(1)Each member of the Tribunal—
(a)is to hold and vacate his office in accordance with the terms of his appointment;
(b)is, on ceasing to hold office, eligible for re-appointment;
(c)may resign his office at any time by giving written notice to the Lord Chancellor;
(d)must vacate his office on the day on which he reaches the age of 70.
(2)But sub-paragraph (1)(d) is subject to subsections (4) to (6) of section 26 of the [1993 c. 8.] Judicial Pensions and Retirement Act 1993 (power to authorise continuance in office up to the age of 75).