5. (1) For the purposes of this section, an increase in salary is due for payment if it is payable, or commences to be paid, after 18 May 1992, in accordance with a law or any award, determination or order made under a law.
(2) The Treasurer may—
(a) issue out of the Consolidated Revenue Fund such amounts as the Treasurer estimates to be necessary for the payment of such increases in salaries, for which provision is made in the Schedule, as are due for payment in the financial year; and
(b) apply such amounts in payment of such increases.
(3) The amounts that may be issued out of the Consolidated Revenue Fund under subsection (2) are in addition to amounts appropriated by section 3 in respect of salaries.
(4) The Consolidated Revenue Fund is appropriated to the extent necessary for the purposes of this section.
(5) In this section—