[...]
(2) The operator of a vessel shall ensure that the vessel is equipped with a vessel security alert system
(a) not later than the day of the first survey of its radio installation after July 1, 2004 if the vessel was constructed before July 1, 2004 and is
(ii) an oil tanker, a chemical tanker, a gas carrier, a bulk carrier or a cargo high-speed craft that is 500 tons gross tonnage or more;
