Paragraph 6 Environmental protection
Making requirements in relation to any part of the harbour which has been designated, or has otherwise been given special protection or status, under any enactment by reason of its natural beauty, flora, fauna or archaeological or geological or physiographical features or any other natural features being requirements for the conservation of such natural beauty, flora, fauna or archaeological or geological or physiographical features or other natural features,
No direction under sub-paragraph (a) —
shall prohibit or interfere with the exercise of any public right of navigation; or
shall be given otherwise than in order to give effect to, or to complement, any provision of any enactment applicable to the conservation of the part of the harbour in relation to which the direction is given.