2In section 18 (purposes to which Part III applies), for subsection (3) there is substituted—
“(3)In this Part of this Act “harbour area” means—
(a)the aggregate of—
(i)any harbour in the United Kingdom in respect of which there is a harbour authority within the meaning of the [1995 c. 21.] Merchant Shipping Act 1995, and
(ii)any land which is adjacent to such a harbour and which is either land occupied by the harbour authority or land in respect of which the harbour authority has functions of improvement, maintenance or management, or
(b)any hoverport which does not form part of any area which falls within paragraph (a)(i) or (ii) above.”