20.—(1) The limits of the harbour within which the Company exercises jurisdiction as a harbour authority and the harbour master exercises his powers are—
(a)the area described in the Schedule; and
(b)so much of the harbour premises as is not situated within that area.
(2) The area described in paragraph (1)(a) is, for the purpose of identification only, shown edged red and coloured pink on the harbour limits map.
(3) Section 9 of the Act of 1885 has effect subject to this article.
(4) In the event of a discrepancy between the description of the boundaries of the harbour referred to in this article and the boundaries shown on the harbour limits map the descriptions of the boundaries shall prevail over the harbour limits map.
(5) In this article—
“harbour premises” means—
the piers, harbour walls, berths, jetties, slipways, landing platforms, wave walls, rock revetments and other works for the time being leased to or occupied by the Company as part of the harbour;
so much of the land immediately to the north of the Inner Harbour and Outer Harbour as is within Land Registry title number K721157 and is for the time being leased to or occupied by the Company for the purposes of the harbour;
the premises for the time being leased to or occupied by the Company for the purposes of the harbour master’s offices; and
the part of South Quay north of an imaginary straight line drawn along the upper level northern face of the quay between the railway viaduct and north-eastern corner of the quay for the time being leased to or occupied by the Company for the purposes of the harbour; and
“the harbour limits map” has the meaning given by article 2(1).