(1)While a member of a British overseas territory force is undertaking any duty with or training with a regular or reserve force (“the relevant force”)—
(a)subsection (2) applies to him; and
(b)nothing in section 357 (power of British overseas territory to apply this Act, etc) applies in relation to him.
(2)A person to whom this subsection applies—
(a)is subject to service law; and
(b)shall (subject to subsection (3)) be treated as if he were a member of the relevant force of relative rank or rate.
(3)The Secretary of State may by order modify any provision of this Act in its application to a member of a British overseas territory force who is or has been within subsection (1).
(4)In this section—
“British overseas territory force” means any of Her Majesty's forces that is raised under the law of a British overseas territory;
“relative rank or rate”, in relation to a person to whom subsection (2) applies, means such rank or rate of the relevant force as may be prescribed by Queen's Regulations for a person of his description.