85(1)Section 121(1) (interpretation of Parts I to VI etc.) is amended as follows.
(2)In the definition of “current”, after “limits” insert “and primary and secondary thresholds”.
(3)In the definition beginning with “lower earnings limit”—
(a)for “and “earnings threshold”” substitute ““primary threshold” and “secondary threshold””; and
(b)for “the earnings” substitute “the primary or secondary”.