669.— (1) The powers of the Trinity House under this Part of this Act with respect to lighthouses, buoys, or beacons already erected or placed, or hereafter to be erected or placed, in the islands of Guernsey or Jersey (other than their powers with respect to the surrender or purchase of local lighthouses, buoys, and beacons, and the prevention of false lights) shall not be exercised without the consent of Her Majesty in Council.

(2) Dues for any lighthouse, buoy, or beacon erected or placed in or near the islands of Guernsey, Jersey, Sark, or Alderney shall not be taken in the islands of Guernsey or Jersey without the consent of the States of those Islands respectively.