20. Notwithstanding paragraph 3, and unless otherwise agreed in writing between the Harbour Authority and the PLA, compensation shall be payable to the PLA in respect of any tidal work (including any reclamation) and any rights required in connection with such tidal work as if the Harbour Authority had been required—
(a)to obtain a licence for the work under section 66 (Licensing of works) of the 1968 Act; and
(b)to pay consideration for the licence determined in accordance with the provisions of section 67 (Consideration for licence) of that Act;
and the PLA’s costs incurred in connection with the determination of such compensation shall be recoverable from the Harbour Authority.