7. (1) Every person subject to this Act, under clause (d) of section 2 shall for the purposes of this Act, be deemed to be under the commanding officer of the unit, or detachment, if any, to which he is attached, or if he is not so attached, under the command of any officer who may for the time being be named as his commanding officer by the officer commanding the force with which such person may for the time being be serving, or of any other prescribed officer, or if no such officer is named or prescribed, under the command of the said officer commanding the force. (2) An officer commanding a force shall not place a person subject to this Act under clause (d) of section 2 under the command of an officer of official rank ¹[lower] to that of such person if there is present at the place where such person is any officer of higher rank under whose command he can be placed.