Article 23 Special directions to vessels
(1)
In addition to the directions which he may give under section 52 of the Act of 1847 the harbour master may give a direction under this article requiring any vessel anywhere within the harbour or the approaches thereto to comply with a requirement made in or under a general direction.
(2)
A special direction may be given in any manner considered by the harbour master to be appropriate.
(3)
The harbour master may revoke or amend a special direction.