Placing land under quarantine
21.—(1)  Where the Director is of the opinion that any plant on any land is diseased, he may make an order placing the land or any part thereof in quarantine for such period as may be prescribed by the order.
(2)  So long as an order of quarantine applies to any land, no person shall remove any plant therefrom except under and in accordance with the direction of an authorised officer.
(3)  Any land placed in quarantine under subsection (1) shall continue in quarantine until the Director certifies that no plant thereon is diseased.