3(1)The Development Corporation may, with the consent of the owners and the National Rivers Authority, carry out such sealing of so much of the bed or banks of the inland bay as may be necessary or expedient for the protection or efficacy of any of the works authorised by section 1 of this Act.U.K.
(2)Any consent requested for the purposes of sub-paragraph (1) above shall not be unreasonably withheld; and any question whether such consent is or is not unreasonably withheld shall be determined by arbitration.