Development is permitted by Class G subject to the following conditions—
(a)in the case of any Class G(a) development consisting of or including the replacement of an existing electric line, compliance with any conditions contained in a planning permission relating to the height, design or position of the existing electric line which are capable of being applied to the replacement line;
(b)in the case of any Class G(a) development consisting of or including the installation of a temporary electric line providing a diversion for an existing electric line, on the ending of the diversion or at the end of a period of six months from the completion of the installation (whichever is the sooner) the temporary electric line shall be removed and the land on which any operations have been carried out to install that line shall be restored as soon as reasonably practicable to its condition before the installation took place;
(c)in the case of any Class G(c) development, on the completion of that development, or at the end of a period of six months from the beginning of that development (whichever is the sooner) any plant or machinery installed shall be removed and the land shall be restored as soon as reasonably practicable to its condition before the development took place;
(d)in the case of any Class G(e) development, approval of details of the design and external appearance of the buildings shall be obtained, before development is begun, from—
(i)in Greater London or a metropolitan county, the local planning authority,
(ii)in a National Park, outside a metropolitan county, the county planning authority,
(iii)in any other case, the district planning authority(1).
For cases where functions have been transferred from the county council to the district council or vice versa see regulation 5 of the Local Government Changes for England Regulations 1994 (S.I. 1994/867) and section 1 of the Act.