3. (1) The Government may, by notification in the official Gazette, define the limits of Chittagong Port for the purposes of this Ordinance; and may, from time to time, by a like notification, alter such limits. ¹[(2) Such limits may extend to any part of the navigable approaches to the Port and the outer anchorage or to any part of the sea, river, shore, bank or land, and may include any dock, pier, shed or other work made on behalf of the public for the convenience of the traffic, transportation, handling of goods, for the safety of the vessels or for the improvement, maintenance or good governance of the Port or river and their approaches, whether within or without high water mark, and subject to any right of private property therein, any portion of the shore, bank or land within fifty yards of high water mark.]