(1) In this section prescribed period means (a) in the case of a person undergoing a full-time course of training at a college of technical and further education in Tasmania for a diploma as a trade teacher, 30 months; and(b) in any other case, 18 months;tertiary education means (a) a course at a university within the Commonwealth; or(b) a full-time course at a college of technical and further education in Tasmania.(2) The Commission may, on application by a person who is undergoing a course of tertiary education, grant that person an authority to work in accordance with the terms of the authority for a specified employer for any periods, not exceeding in the aggregate the prescribed period, to gain practical experience in specified subjects in that course of tertiary education if the gaining of the practical experience is a requirement of the course.(3) If the Commission refuses to grant an authority under subsection (2) , the Commission must immediately serve a written notice on the applicant informing the applicant of the refusal and the reason for the refusal.(4) The Commission may revoke an authority at any time by giving the holder of the authority at least 7 days written notice of revocation and the reason for the revocation.(5) Nothing in this Act prevents a person to whom an authority has been granted under subsection (2) from being employed by the employer specified in the authority in accordance with the terms of that authority at a remuneration not less than that specified in the authority.