(1) A person must not administer or cause to be administered to himself or herself by any means whatsoever a narcotic substance that is in the person's possession, unless the narcotic substance has been supplied to the person for that purpose (a) by, or on a prescription issued by, a medical practitioner or authorised nurse practitioner; or(b) by an authorised nurse; or(c) by a dentist; or(d) by an authorised health professional; or(e) by a person on the staff of a hospital in accordance with the instructions of a medical practitioner.Penalty: Fine not exceeding 10 penalty units.(2) Nothing in this regulation prohibits the administration to a person of a narcotic substance required to be kept in any aircraft or vessel in the case of an emergency where the services of a medical practitioner are not readily available.