(1) Subject to sections 20 and 21, on the coming into force of an Appropriation Act and any supplementary Appropriation Act, the Minister shall authorise the Accountant General by general warrant under his or her hand to pay out of the Consolidated Fund such sums as may be required to pay for the services approved by Parliament.
(2) Despite the issue of a general warrant it is within the discretion of the Minister to limit or suspend at any time any expenditure excluding statutory expenditure, with or without cancellation of the general warrant if, in his or her opinion, financial exigencies of the public interest so require.