The powers of trial and punishment of the Commanding Office may be exercised as respects sailors on detached service on shore or otherwise, by the officer in immediate command, provided that: -
(a) the Commanding Officer of the ship to which the sailors on detached service belong may restrict the powers exercisable under these regulations and should in every case consider whether it is desirable to do so;
(b) where sailors belonging to different ship are on detached service together, the proper superior authority may restrict the powers exercisable under these regulations;
(c) notwithstanding anything herein before contained, the Chief of the Naval Staff may, by special or general order provide for the regulation of the powers on the officer in immediate command of sailors on detached service and where such a special or general order is in force, no other directions shall be given by the Commanding Officer or other superior authority.