21.—(1) Notwithstanding anything in article 3 or in any other local enactment the Company may from time to time set apart and appropriate any part of the harbour for the exclusive, partial or preferential use and accommodation of any particular trade, activity, person, vessel or class of vessels, or goods, subject to the payment of such charges and subject to such terms, conditions and regulations as the Company thinks fit.
(2) No person or vessel shall, otherwise than in accordance with the terms, conditions and regulations of the setting apart or appropriation, make any use of any part of the harbour so set apart or appropriated without the consent of the harbour master or other duly authorised officer of the Company and—
(a)the harbour master, or as the case may be such officer, may order any person or vessel making use of the harbour without such consent to leave or be removed; and
(b)the provisions of section 58 of the Act of 1847 shall extend and apply with the necessary modifications to and in relation to any such vessels.
(3) Nothing in this article shall authorise the prohibition of navigation within any part of the harbour, nor shall it authorise interference with any public right of way.