A member of a statutory entity ceases to hold office if he or she—
(a) resigns in accordance with section 44; or
(b) is removed from office in accordance with sections 36 to 39 or any other enactment; or
(c) becomes disqualified from being a member under any of paragraphs (a) to (g) of section 30(2); or
(d) otherwise ceases to hold office in accordance with any enactment.