(1) In any of the following cases it shall be a condition of permission granted by this order that before the development corporation undertake or authorise any development they shall consult with the following authorities or persons, namely:—
(a) in the case of development consisting of the formation, laying out or alteration of an unapproved means of access to a trunk road, with the Secretary of State at such office or address as he may appoint;
(b) in the case of development consisting of the formation, laying out or alteration of an unapproved means of access to a classified road, or to a highway shown in a proposal approved by the Secretary of State under section 6(1) of the New Towns Act as a highway access to which is required to be the subject of such consultation, with the local highway authority;
(c) in the case of development consisting of the laying out or construction of a new street (within the meaning of Part VIII of the Highways Act 1959), with the local highway authority;
(d) in the case of development which appears to the development corporation likely to affect land outside their area, with the district planning authority for the area in which the land is situated, unless that authority have already been formally consulted;
(e) where the development consists of the erection of a building (other than an alteration, extension or re-erection of an existing building or the erection of a building of a temporary character) in an area of coal working notified by the National Coal Board to the district planning authority, with the National Coal Board;
(f) where the development is of land which is situate within 3 kilometres from Windsor Great Park or Windsor Home Park or which is within 800 metres from any Royal Palace or from any other Royal Park, and might affect the amenities of that Palace or Park, with the Secretary of State at such office or address as he may appoint;
(g) where the development consists of or includes:—
(i) the carrying out of works or operations in the bed or on the banks of a river or stream;
(ii) the carrying out of building or other operations or use of land for the purpose of refining or storing mineral oils and their derivatives;
(iii) the use of land for the deposit of any kind of refuse or waste;
(iv) the carrying out of building or other operations (other than the laying of sewers, the construction of pump houses in a line of sewers, the construction of septic tanks and cesspools serving single dwellinghouses or single buildings in which not more than 10 people will normally reside, work or congregate and works ancillary thereto) on land, or use of land, for the retention, treatment or disposal of sewage, trade waste or sludge; or
(v) the use of land as a cemetery,
with the regional water authority exercising functions in the area in which the development is to take place or the Welsh National Water Development Authority, as appropriate;
(h) where the development is of land in an area of special interest notified to a local planning authority by the Nature Conservancy Council in accordance with section 23 of the National Parks and Access to the Countryside Act 1949, with the Nature Conservancy Council, except where the Nature Conservancy Council dispense with this requirement;
(i) where the development is of any land on which there is a theatre, as defined in the Theatres Trust Act 1976, with the Theatres Trust;
(j) in the case of development or a class of development specified in any direction for the time being in force under the General Development Order by which a local planning authority are required to consult with any authority or person other than the development corporation in respect of applications for planning permission, with that authority or person.
(2) When required by this order to consult with any authority or other person the development corporation shall give to such authority or person not less than 21 days' notice in writing, specifying the site of, and giving particulars sufficient to describe, the proposed development, and shall not undertake or authorise the development until after the expiration of the period of such notice; and the development corporation shall take into account any objections or other representations received from such authority or person.
(3) Where any objection or representation has been made by an authority or other person consulted as aforesaid and has not been withdrawn, the development corporation shall send particulars of the proposal and of the objection or representation to the Secretary of State in writing, and shall not undertake or authorise the development in pursuance of this order until the Secretary of State has notified them that he does not intend to give a direction under article 9 of this order in respect of the development.