When an exclusion zone is in effect around a vessel in the dockyard port under paragraph 6—
(a)
a vessel underway must not enter the zone unless authorised to do so by the Queen’s Harbour Master; and
(b)
a vessel that is alongside, at anchor, at a buoy or at a mooring in that zone must remain alongside, at anchor, at the buoy or at the mooring.
(2)
This paragraph only applies if the vessel to which the exclusion zone applies is displaying any shapes or lights it is required to under paragraph 7 or, in respect of submarines, as specified in the direction given by the Queen’s Harbour Master.
