24. (1) The Director may, by order in writing, refuse to issue a licence in respect of a foreign fishing vessel on any ground that he thinks fit. (2) The Director may, by order in writing, suspend, cancel or refuse to renew any licence that has been issued in respect of a foreign fishing vessel, where he is satisfied that- (a) it is necessary to do so in order to allow for the proper management, conservation and development of any particular fishery in accordance with any fisheries management, conservation and development plan; (b) it is otherwise in the best interests of marine fisheries industry to do so; or (c) the vessel in respect of which the licence has been issued has been used in contravention of the provisions of this Ordinance or of any rules made thereunder, or of any conditions of the licence; or (d) the person holding the licence is unfit to hold a licence.