4Any order of the Minister under section nine of the Sugar Act, 1956, with respect to surcharge or surcharge repayments for composite sugar products may make any such provision as might have been made with respect to sugar duty or drawback of that duty by virtue of proviso (i) to sub-paragraph (1) of paragraph 1 of the Second Schedule to the Finance Act, 1957 (which provides for disregarding immaterial quantities); but subject to any such order, any order of the Treasury made under that Schedule before the passing of this Act with respect to any duty under subsection (2) of section three of this Act or any drawback thereof shall for purposes of surcharge and surcharge repayments be deemed to have effect for sugar duty and drawback of sugar duty.