(1) The collecting agency may do any one or more of the following:
(a) by notice in writing to the manufacturer or importer of a chemical product, determine the amount that would have been received by the manufacturer or importer in respect of the product at a particular time as mentioned in the definition of notional wholesale value in subsection 3(1);
(b) for the purpose of paragraph (a) of the definition of prescribed date for payment , by notice published in the Gazette , direct that, in relation to levy payable in a particular calendar year or financial year stated in the Gazette notice, a reference in a notice of assessment to a date that is specified in the Gazette notice is taken instead to be a reference to another date (whether earlier or later) that is specified in the Gazette notice;
(c) for the purpose of paragraph (b) of the definition of prescribed date for payment , by notice published in the Gazette , direct that, in relation to levy payable in a particular calendar year or financial year stated in the Gazette notice, a reference in that paragraph to a date that is specified in the Gazette notice is taken instead to be a reference to another date (whether earlier or later) that is specified in the Gazette notice;
(d) by notice published in the Gazette :
(i) specify amounts of levy to which the Gazette notice applies; and
(ii) direct that, for the purposes of this Act, an amount of such a levy that, apart from the direction, would be required to be paid by a particular date is taken to have been paid by that date if the levy is paid by instalments worked out in accordance with the Gazette notice on such dates as are stated in the Gazette notice.
(2) A determination or direction made or given under subsection (1) has effect according to its terms.
(3) A notice made under paragraph (1)(a) is not a legislative instrument.
(4) A notice made under paragraph (1)(b), (c) or (d) is a legislative instrument.