(1) All expenses incurred by any Minister or by the Commissioner in the execution of the Roads Act, 1920, or of this Act shall, to such extent as may be sanctioned by the Minister for Finance, be defrayed out of the Road Fund, and for that purpose there shall, in respect of every financial year, be paid into the Exchequer from the Road Fund at such times and in such manner as the Minister for Finance shall direct such sums as the Minister shall, with the concurrence of the Minister for Finance, determine to be the amount of the expenses so incurred in the execution of the Roads Act, 1920, and of this Act in that financial year.
(2) Where the Minister for Finance is satisfied that the amount of the expenses incurred by any Minister or by the Commissioner in the execution of the Roads Act, 1920, or of this Act in any financial year cannot conveniently be determined, the sum payable under this section into the Exchequer from the Road Fund in respect of such expenses may, with the san