reg 25 Modifications relating to the Ministry of Defence etc
(1) In this regulation, any reference to— (a) “ visiting forces ” is a reference to visiting forces within the meaning of any provision of Part 1 of the Visiting Forces Act 1952 ; and (b) “ headquarters or organisation ” is a reference to a headquarters or organisation designated for the purposes of the International Headquarters and Defence Organisations Act 1964 . (2) The Secretary of State for Defence may, in the interests of national security, by a certificate in writing, exempt— (a) Her Majesty's Forces; (b) visiting forces; (c) any member of a visiting force working in or attached to any headquarters or organisation; or (d) any person engaged in work with ionising radiation for, or on behalf of, the Secretary of State for Defence, from all or any of the requirements or prohibitions imposed by these Regulations and any such exemption may be granted subject to conditions and a limit of time and may be revoked at any time by a certificate in writing. (3) The requirements of regulation 18 do not have effect in relation to Her Majesty's Forces to the extent that compliance with those requirements would, in the opinion of the Secretary of State for Defence, be against the interests of national security.