Power to declare prisons
3.  The Minister may, by notification in the Gazette —
(a)declare any house, building, enclosure or place, or any part thereof, to be a prison for the purposes of this Act for the imprisonment or detention of persons lawfully in custody;
(b)define which prisons may be used for the custody of particular classes of prisoners;
(c)declare that any prison ceases to be a prison; and on the publication in the Gazette of the declaration, or from and after any later date specified in the declaration, that prison ceases to be a prison; and
(d)declare any prison, house, building, enclosure or place, or any part thereof, to be a reformative training centre for the detention of persons sentenced to reformative training.