In section 4(1) of the Principal Act insert the following definitions—
' "authorised police employee" means—
(a) a person authorised under section 44A; or
(b) a person who is a member of a class of person authorised under section 44A;
"certificate of health and safety destruction or disposal" means a certificate given by an analyst or a botanist under section 91(1)(c);
"delegated police officer" means—
(a) a person to whom a function under section 91 has been delegated under section 92; or
(b) a person who is a member of a class to which a function under section 91 has been delegated under section 92;'.