(1) Subject to subsection (2) of this section, an Order in Council made under section 56 of this Act shall expire 3 years after the date on which it comes into force.
(2) Subsection (1) of this section shall not apply where it is expressly provided in the Order in Council that it will expire after a period of less than 3 years, or if the Order in Council is sooner revoked.
(3) Where an Order in Council made under section 56 of this Act would otherwise expire under subsection (1) of this section, the Governor-General may from time to time, by Order in Council, extend for a further period of 3 years or such lesser period as may be specified, the period for which that Order in Council shall be in force.