Paragraph 6
The Trustees may appoint such committees consisting of trustees as they see fit and may delegate to a committee appointed under this paragraph the performance of any of their powers or duties except—
(a)
a duty imposed on the Trustees by or under any enactment;
(b)
the making of byelaws;
(c)
the levying of ship, passenger and goods dues;
(d)
the appointment of a harbour master;
(e)
powers or duties relating to the laying down of buoys, the erection of lighthouses and the exhibition of lights, beacons and sea-marks, so far as those powers or duties are exercisable for the purposes of the safety of navigation;
(f)
the nomination of persons to act as constables.