67 Geographical extent of liability to service on recall.U.K.
(1)A person who is recalled shall, subject to the following provisions of this section, be liable to serve anywhere in the world.
(2)A person who, when he was last discharged or transferred to the reserve from the regular services, was liable only for service within the United Kingdom or any area of the United Kingdom, shall not be liable to serve outside the United Kingdom or, as the case may be, that area on being recalled.
(3)A person whose liability for service on recall is restricted as mentioned in subsection (2) may elect irrevocably in such manner as may be prescribed to be liable for worldwide service—
(a)whenever he is recalled for service;
(b)during any period of service (including a current period of service) under a recall order specified in the election.
(4)Subsection (2) shall not apply—
(a)to any person who makes an election under subsection (3)(a), or
(b)in relation to a period of service covered by the election, to a person who makes an election under subsection (3)(b).
(5)A person who is serving in the regular services or the reserve forces may make an election under subsection (3) before that service ceases.