s 357 Power of British overseas territory to apply Act, etc
Where any of Her Majesty's forces is raised under the law of a British overseas territory, any such law— (a) may make provision in relation to that force and its members so as to have effect when they are outside that territory (as well as when they are within it); and (b) may apply in relation to the force and its members all or any of the provisions of this Act, with or without modifications and in particular nothing prevents a law of a British overseas territory to which this section does not extend applying provisions of this Act in reliance on paragraph (b).