—(1) The Director-General or an authorised officer may require the immediate isolation or destruction of any animal or bird if —
the animal or bird is certified by an authorised examiner, upon any examination carried out under section 19, to be infected with disease;
the Director-General or authorised officer has other reasonable cause for believing that the animal or bird is infected with disease; or
the Director-General or authorised officer has reasonable cause for believing that the animal or bird —
may have been in contact with another animal or bird which is infected with disease;
may have been exposed to disease; or
may perpetuate any disease.
(2) Any person who refuses or fails without lawful excuse to isolate or destroy any animal or bird when required to do so by the Director-General or an authorised officer under subsection (1) shall be guilty of an offence and shall be liable on conviction to a fine not exceeding $5,000 or to imprisonment for a term not exceeding 6 months or to both.