http://www.legislation.gov.uk/id/uksi/2007/3204

SCHEDULE 3TRANSITIONAL PROVISIONS

Retirement of existing members

2. (1)

The members who hold office immediately before the new constitution date shall retire as follows:—

(a)

five shall retire on the new constitution date;

(b)

four shall retire on the second anniversary of the new constitution date;

(c)

five shall retire on the fourth anniversary of the new constitution date.

(2)

The retirement dates for the purposes of sub-paragraph (1) shall be determined by the appointments panel who shall not select the person who is the chairman immediately before the new constitution date for retirement on that date.