6.—(1) A person is a deferred member of the Scheme in relation to an employment if the person—
(a)has qualifying service for a period of at least 2 years;
(b)is no longer an active member in relation to that employment;
(c)has not started to receive any pension under the Scheme in relation to that employment; and
(d)has not reached the age of 75.
(2) A person may be a deferred member of the Scheme in relation to one period of membership notwithstanding the fact that the same person is a member in the same or a different category in relation to a different period of membership.