255Intervention by director-general

255 Intervention by director-general (1) Without limiting section 254, the director-general may intervene in a proceeding arising under this Act if the director-general reasonably believes that it would be in the public interest to do so. (2) The director-general must intervene in a proceeding arising under this Act if directed to do so by the Minister. (3) On intervening in a proceeding, the director-general— (a) becomes a party to the proceeding and has all the rights of a party; and (b) has a right to be heard personally or by a lawyer or agent.