4 Appropriation of money authorised for issue in year 2018-19
(1) The aggregate of the following (which is £503,467,298,000) is appropriated for the year ending with 31 March 2019 in accordance with subsection (2)—
(a) the amount of money the issue of which out of the Consolidated Fund is authorised by section 1(3) of the Supply and Appropriation (Anticipation and Adjustments) Act 2018; and
(b) the amount of money the issue of which out of that Fund is authorised by section 2.
(2) The amount of money which is set out in each of the Scheduled Estimates and identified in that Estimate as a net cash requirement is appropriated for expenditure—
(a) on any use of resources that has been authorised by Parliament in relation to the department or other person to which the Estimate relates, or in relation to the service to which it relates; or
(b) for any other purpose specified in that Estimate as a purpose for which that money may be applied.
(3) Section 5(4) applies (instead of subsection (2) of this section) to any amount of money set out in a Scheduled Estimate if it is identified in that Estimate as representing the amount of an estimated surplus.