(1) Subject to subregulation (2):
(a) the measurement marking of a product that is ordinarily sold by number must be expressed by reference to number; and
(b) the measurement marking of a product that is ordinarily sold by linear or superficial measurement must be expressed by reference to the kind of measurement; and
(c) the measurement marking of a product that is a liquid must be expressed by reference to volume; and
(d) the measurement marking of a product:
(i) that is solid (including in the form of powder or flakes), semi-solid or partly solid and partly liquid; and
(ii) to which paragraph (a) does not apply;
must be expressed by reference to mass.
(2) The measurement marking of a product of a kind described in an item of Schedule 5 must be expressed by reference to the kind of measurement specified in the item.
(3) A measurement marking (other than a marking that is expressed by reference to number) must be expressed in terms of a unit of measurement that is permitted by Schedule 6.
(4) For subregulation (1), a product sold by number or linear or superficial measurement is ordinarily sold if the majority of the merchants selling the product in Australia ordinarily sell it by a method of number or linear or superficial measurement that has been approved, in writing, by the Secretary.