Sentence of detention or special detention in disciplinary barrack
122.—(1)  A person sentenced to detention under this Act must, unless otherwise provided for in regulations made under this Act, serve the person’s sentence in detention barracks.
(2)  A person must not in any event be required to serve any part of a sentence of detention in a military or civil prison except that in such cases and subject to such conditions as may be specified in any regulations made under this Act a person serving such a sentence may be temporarily detained in a military or civil prison for any period not exceeding 7 days and thereafter must be transferred to detention barracks.
(3)  A person sentenced to special detention in a disciplinary barrack must, unless otherwise provided for in any regulations made under this Act, serve the person’s sentence in a disciplinary barrack.