requiring a vessel anywhere within the harbour limits to comply with a requirement made in or under a general direction,

for regulating the time at which and the manner in which a vessel shall enter into, go out of, or lie in or at the harbour,

for securing that a vessel moves in the harbour only at certain times or during certain periods,

prohibiting the mooring of a vessel in any particular part or parts of the harbour,

regulating or requiring the movement, berthing, mooring or unmooring of a vessel in the harbour, and

regulating the manner in which a vessel takes in or discharges (from ship to shore or shore to ship) passengers, cargo, fuel, water, ship’s stores or ballast in the harbour.