"poison collar" means a collar with one or more sealed compartments containing fluoroacetic acid (mono), its salts and derivatives in a coloured water solution of not more than one per cent of the substance concerned for the control of problem animals;

"problem animal" means a predator which causes stock losses;

"problem animal controller" means a person who complies with the requirements set by a provincial conservation institution or authority for the hunting or combating of problem animals;

"the Act" means the Hazardous Substances Act, 1973 (Act No. 15 of 1973);

"written approval" means approval issued by the Director-General to a holder of a licence, a laboratory, a teaching institution, an industry, a government institution, a provincial authority or a provincial institution to keep, apply or use fluoroacetic acid (mono), its salts and derivatives which is not sealed in a poison collar;

"written authorisation" means authorisation issued by the director of a provincial conservation institution or authority to a problem animal controller who satisfies the conditions set by that provincial conservation institution or authority.