(1)Nothing in this Part prevents a member of a reserve force—
(a)undertaking any voluntary training in the United Kingdom or elsewhere that is made available to him as a member of that force;
(b)undertaking any voluntary training or performing other voluntary duties in the United Kingdom or elsewhere, being training or duties undertaken or performed at his own request or following a request made to him by or on behalf of his commanding officer.
(2)Orders or regulations under section 4 may make provision as to the provision and use of training facilities for members of reserve forces and otherwise in connection with the undertaking of training or other duties as mentioned in subsection (1) of this section.
(3)A member of a reserve force shall be subject to service law while performing voluntary duties or training as mentioned in subsection (1).