16.—(1) In addition to powers under section 35 of the Wick and Pulteney Harbours Act 1899, the Authority may make arrangements to lease or otherwise grant the exclusive, partial or preferential use of, or occupation of, or any right or interest in or over any part of the undertaking shown within the limits of deviation on the deposited plan for such period, and at such rents and other considerations and on such terms and conditions as they think fit.
(2) Any arrangements made under paragraph (1) are, and in their terms must be expressly declared to be, entirely without prejudice to the functions and statutory duties of the Authority as harbour authority for the undertaking.
(3) Nothing in this section authorises the Authority to sell or otherwise permanently dispose of any part of the undertaking that is required for the purposes of the harbour.