(1) The following classes of chemical product are prescribed for the purposes of section 21 of the Act:(a) any agricultural chemical product except when (i) only a small amount of the agricultural chemical product is being used and that small amount is being applied by hand-held equipment for a purpose only incidental to the main service that is being provided for fee or other reward; or(ii) that agricultural chemical product is being applied by the Registrar, an authorised person or a veterinary surgeon in the course of his or her profession;(b) any veterinary chemical product except when (i) only a small amount of the veterinary chemical product is being used and that small amount is being applied by hand-held equipment for a purpose only incidental to the main service that is being provided for fee or other reward; or(ii) that veterinary chemical product is being applied by the Registrar, an authorised person or a veterinary surgeon in the course of his or her profession.(2) In subregulation (1) authorised person means a person who is (a) appointed or employed under the State Service Act 2000 for the purposes of the Department; and(b) authorised by the Chief Veterinary Officer or the Registrar to apply the relevant agricultural chemical product, relevant veterinary chemical product or a class of chemical product of which the relevant agricultural chemical product or relevant veterinary chemical product is a member;small amount means the amount of a chemical product that the Registrar, by notice published in a newspaper circulating in the State, determines to be a small amount.