Article 6 Casual vacancies
(1)
A casual vacancy arising in the office of a commissioner shall be filled—
(a)
if occurring in or between December and June, as soon as practicable in accordance with article 4; or
(b)
if occurring in or between July and November, in conjunction with such other vacancies as shall arise in the next following January.
(2)
A commissioner appointed to fill a casual vacancy under this article shall, subject to articles 7 and 8 and paragraph 4 of Schedule 2, hold office during the remainder of the term of the commissioner being replaced.