(1) Subject to any directions, in writing, of the Chief of the Defence Force or a service chief, the officer in charge of a detention centre may, in writing grant leave of absence to a detainee of the detention centre on such conditions (if any) as he or she thinks fit.
(2) Any day on which a detainee of a detention centre is on leave of absence from the detention centre counts as a day of the detainee's punishment of detention.