No, special approval is not required. A scientifically qualified person who is in charge of a laboratory or department, or a person acting under the direct personal supervision of such a person, is authorised to possess and use any Schedule 2, 3 or 4 substance that is required for the conduct of medical or scientific research or instruction or the conduct of quality control analysis.
A written authority from the NSW Ministry of Health is required to possess Schedule 8 drugs for the purposes of scientific research. For more information and to download an application form to apply for authorisation see Licences and authorisations. Applications must include approval from an appropriate Animal Ethics Committee.