24.—(1) Regulation 17 shall apply to every tanker of Class VII(T) of under 500 tons as it applies to ships of Class VII of under 500 tons.U.K.
(2) In addition to the requirements of paragraph (1) every tanker of Class VII(T) of under 500 tons shall be provided with at least one mobile foam appliance whereby foam is immediately available by simple and rapid means of operation for discharge in the area of the cargo manifolds.