The Minister may, after consultation with the Minister charged with the responsibility for trade and industry, by order make provision with respect to any goods specified in the order for all or any of the following purposes, that is to say, to ensure that, except in such cases or in such circumstances as may be so specified, the goods in question:
(a) are sold only by quantity expressed in such manner as may be so specified;
(b) are pre-packed, or are otherwise made up in or on a container for sale or for delivery after sale, only if the container is marked with such information as to the quantity of the goods as may be so specified;
(c) are sold, or are pre-packed, or are otherwise made up in or on a container for sale or for delivery after sale, or are made for sale, only in such quantities as may be so specified;
(d) are not sold without the quantity sold expressed as aforesaid being made known to the buyer at or before such time as may be so specified;
(e) are sold by means of, or are offered or exposed for sale in, a vending machine only if there is displayed on or in the machine —
(i) such information as to the quantity of the goods in question comprised in each item for sale by means of that machine as may be so specified; and
(ii) a statement of the name and address of the seller;
(f) are carried for reward only in pursuance of an agreement made by reference to the quantity of the goods in question expressed as aforesaid;
(g) in such circumstances as may be so specified, have associated therewith in such manner as may be so specified a document containing a statement of the quantity of the goods in question expressed in such manner and a statement of such other particulars, if any, as may be specified;
(h) when carried on a road vehicle along a road are accompanied by a document containing such particulars determined in such manner as may be so specified as to the weight of the vehicle and its load apart from the goods in question.