(1) In this Act a reference to the manufacture of scheduled substances does not include a reference to a process by which a quantity of scheduled substances is produced by the recycling of substances containing scheduled substances of that quantity.
(2) For the purposes of this Act, where a process for the manufacture of a quantity of scheduled substances involves, in part, the recycling of substances containing scheduled substances of a lesser quantity, the quantity of scheduled substances manufactured in the process shall be taken to be reduced by the quantity of scheduled substances in the substances recycled in the process.