Subject to the following provisions of this paragraph, a member of the Tribunal shall hold and vacate his office in accordance with the terms of his appointment and shall, on ceasing to hold office, be eligible for re-appointment.

Any member of the Tribunal may at any time resign his office by notice in writing to the Lord Chancellor (in the case of the chairman or a deputy chairman) or to the Secretary of State (in the case of any other member).

A person who is the chairman or deputy chairman of the Tribunal shall vacate his office on the day on which he attains the age of seventy years; but this sub-paragraph is subject to section 26(4) to (6) of the [1993 c. 8.] Judicial Pensions and Retirement Act 1993 (power to authorise continuance in office up to the age of seventy-five years).