9(1)) Goods to which this Part of this Schedule applies which are not pre-packed, other than liquid fertilisers, shall be sold only by quantity, being—
(a)quantity by net weight; or
(b)if the goods are sold in a container which does not exceed the permitted weight and the gross weight of the goods is not less than fifty-six pounds, quantity either by net weight or by gross weight; or
(c)quantity by volume.
(2)Goods to which this Part of this Schedule applies shall be pre-packed only if the container is marked with an indication of quantity, being—
(a)in the case of liquid fertilisers, quantity by capacity measurement;
(b)in any other case, quantity by net weight or, if the container does not exceed the permitted weight and the gross weight of the goods is not less than fifty-six pounds, quantity either by net weight or by gross weight.
(3)In this paragraph, “the permitted weight” means a weight at the rate of twenty-four ounces per 112 pounds of the gross weight.
(4)There shall be exempted from all requirements of this paragraph any sale of goods with a view to their industrial use.