7. If, before the end of a financial year, no Act other than this Act has been passed appropriating public money to meet the requirements of the next financial year, the Treasurer may pay such sums as are necessary to meet those requirements subject to the following provisions:
(a) the authority of the Treasurer under this section shall cease upon the commencement of the first Appropriation Act for the next financial year;
(b) upon that commencement all payments made under this section for the next financial year shall be taken for all purposes to have been paid out of moneys appropriated by that Act; and
(c) the payments made under this section for any purpose shall not exceed, in total, one half of the amount appropriated by Appropriation Acts for the immediately preceding financial year for that purpose.