6.—(1) Subject to paragraph (2) below, a whole loaf of bread of a net weight exceeding 300 g, when not pre-packed, shall be made for sale only if it is of a net weight of 400 g or a multiple of 400 g.
(2) There shall be exempted from the requirements of paragraph (1) above any sale in pursuance of a contract for the supply of bread for consumption on the premises of the buyer if the contract provides for each delivery of bread thereunder to be of a specified aggregate quantity of not less than 25 kg and for the weighing of the bread on delivery.