4.—(1) For section 224(1) of the Town and Country Planning Act 1971 there shall be substituted the following subsection:—
“(1) In this Act 'the appropriate Minister' means
(a)in relation to statutory undertakers carrying on any railway, light railway, tramway, road transport, dock, harbour or pier undertaking, the Secretary of State for Transport;
(b)in relation to statutory undertakers carrying on an undertaking for the supply of electricity, gas or hydraulic power, the Secretary of State for Energy;
(c)in relation to the British Airports Authority or the Civil Aviation Authority or statutory undertakers carrying on any lighthouse undertaking, the Secretary of State for Trade;
(d)in relation to the Post Office, the Secretary of State for Industry;
(e)in relation to statutory undertakers carrying on an undertaking for the supply of water, in the application of this Act to Wales, the Secretary of State for Wales; and
(f)in relation to any other statutory undertakers, the Secretary of State for the Environment.”
(2) For section 213(1) of the Town and Country Planning (Scotland) Act 1972 there shall be substituted the following subsection:—
“(1) In this Act `the appropriate Minister' means
(a)in relation to statutory undertakers carrying on any railway, light railway, tramway, road transport, dock, harbour or pier undertaking, the Secretary of State for Transport;
(b)in relation to statutory undertakers carrying on an undertaking for the supply of gas or hydraulic power, the Secretary of State for Energy;
(c)in relation to the British Airports Authority or the Civil Aviation Authority or statutory undertakers carrying on any lighthouse undertaking, the Secretary of State for Trade;
(d)in relation to the Post Office, the Secretary of State for Industry;
(e)in relation to statutory undertakers carrying on an undertaking for the supply of electricity or water, the Secretary of State for Scotland; and
(f)in relation to any other statutory undertakers, the Secretary of State for the Environment.”
(3) The said sections 224(1) and 213(1) as substituted by sub-paragraphs (1) and (2) above shall apply in relation to any enactment applying provisions of the said Acts of 1971 and 1972, and to any other enactment or instrument in so far as the meaning therein of “appropriate Minister”