4. For regulation 30 (obligations upon food business proprietors operating auction or wholesale markets) of the principal Regulations there shall be substituted—
30.—(1) Any person who makes premises available for an auction or wholesale market at which fishery products which are intended for placing on the market for human consumption are handled shall ensure that the applicable provisions of Chapters II and III of Schedule 3 are complied with as respects the market.
(2) Any food business proprietor who operates within an auction or wholesale market shall ensure that the applicable provisions of Chapters II and III of Schedule 3 are complied with as respects his business.”.