3.—(1) Subject to paragraph (2) of this regulation,
(a)these Regulations except regulation 14 apply to United Kingdom ships; and
(b)regulations 1, 2, 3, 14 and 15 apply to other ships when they are in a United Kingdom port.
(2) These Regulations do not apply to—
(a)fishing vessels,
(b)pleasure craft,
(c)offshore installations whilst on or within 500 metres of their working stations, or
(d)ships in which there is for the time being no master or crew or watchman.
(3) The Secretary of State may grant exemptions from all or any of the provisions of these Regulations (as may be specified in the exemption) for classes of cases or individual cases on such terms (if any) as he may so specify and may, subject to giving reasonable notice, alter or cancel any such exemption. Any exemption given pursuant to the Regulations revoked by these Regulations shall continue in effect as if made under these Regulations; and any reference in such an exemption to a provision of those Regulations shall be construed as referring to the corresponding provision in these Regulations.