5. Before section 255 of the Principal Act the following section is inserted in Division 3 of Part VI:
“254. (1) The Minister may, by instrument—
(a) declare a class of animals to be pest animals; or
(b) declare a class of plants to be pest plants;
either generally or in a specified area.
“(2) For the purposes of subsection (1)—
“(3) The Minister shall not make a declaration under subsection (1) unless the Minister has consulted with—
(a) the Flora and Fauna Committee established under the Nature Conservation Act 1980 ; and
(b) in relation to a declaration proposed to be made under paragraph (1) (a)—the Animal Welfare Advisory Committee established under the Animal Welfare Act 1992 .
“(4) After making a declaration under subsection (1), the Minister—
(a) shall cause to be prepared a plan for the control of the propagation of animals or plants of the relevant class; and
(b) if the declaration was made under paragraph (1) (a)—may cause to be prepared a code of practice under the Animal Welfare Act 1992 in relation to the animals of the relevant class.
“(5) An instrument made under subsection (1) is a disallowable instrument for the purposes of section 10 of the Subordinate Laws Act 1989 .”.