Equivalent standards
3.—(1) Nothing in these Regulations shall render unlawful any act or omission which would have been lawful were—
(a)there to be substituted for any reference to a British Standard in these Regulations a reference to a corresponding standard; and
(b)regulation 2(5) to apply in relation to that corresponding standard and the markings relating to that corresponding standard as it applies to a British Standard.
(2) For the purposes of this regulation, “corresponding standard”, in relation to a relevant British Standard Specification, means—
(a)a standard or code of practice of a national standards body or equivalent body of any State within the European Economic Area;
(b)any international standard recognised for use as a standard by any State within the European Economic Area;
(c)a technical specification or code of practice which, whether mandatory or not, is recognised for use as a standard by a public authority of any State within the European Economic Area,
where the standard, code of practice, international standard or technical specification provides, in relation to lamps, retro reflectors and rear markings, a level of safety equivalent to that provided by that British Standard Specification and contains a requirement as respects the marking of such parts equivalent to that provided by that instrument.