s 40 Implied powers
(1) Where a written law confers a power on any person to do or enforce the doing of any act or thing, all such powers shall be understood to be also given as are reasonably necessary to enable the person to do or enforce the doing of the act or thing. (2) Without prejudice to the generality of subsection (1)— (a) power to make subsidiary legislation to control or regulate any matter includes power to provide for the same by licensing and power to prohibit acts whereby the control or regulation might be evaded; (b) power to grant a licence, permit, authority, approval or exemption includes power to impose conditions subject to which the licence, permit, authority, approval or exemption is granted; and (c) where a power is conferred on any person to direct, order or require any act or thing to be done, there shall be deemed to be imposed on any person to whom a direction, order or requisition is given in pursuance of the power a duty to comply therewith.