(1)In this section “Part 11 development” means development permitted by article 3 of, and Part 11 of Schedule 2 to, the [S.I. 1988/1813.] Town and Country Planning General Development Order 1988 (which permits development authorised by private Act designating specifically both the nature of the development thereby authorised and the land on which it may be carried out).
(2)Subject to the provisions of subsection (3) below, in its application to development authorised by this Act, the planning permission granted for Part 11 development shall have effect as if the authority to develop given by this Act were limited to development begun within 10 years of the passing of this Act.
(3)Subsection (2) above shall not apply to the carrying out of any development consisting of the alteration, maintenance or repair of works authorised by this Act or the substitution of new works therefor.
(4)Without prejudice to the planning permission granted for Part 11 development, it is hereby declared for the avoidance of doubt that, for the purposes of Part 17 of Schedule 2 to the said Order of 1988 (which permits certain development by statutory undertakers)—
(a)the tramways comprised in Tramlink and the works and conveniences connected with those tramways shall be taken to be a tramway undertaking within Class H of that Part of that Schedule; and
(b)the authorised railways other than tramways comprised in Tramlink and the works and conveniences connected with those railways shall be taken to be a light railway undertaking within Class A of that Part of that Schedule.