Section 90 Development with government authorisation

(1)     Where the authorisation of a government department is required by virtue of an enactment in respect of development to be carried out by a local authority [or National Park authority], or by statutory undertakers who are not a local authority [or National Park authority], that department may, on granting that authorisation, direct that planning permission for that development shall be deemed to be granted, subject to such conditions (if any) as may be specified in the direction.

[(2)     On granting or varying a consent under section 36 or 37 of the Electricity Act 1989 in relation to a generating station or electric line in England or Wales, the Secretary of State [or the Welsh Ministers] may give a direction for planning permission to be deemed to be granted, subject to such conditions (if any) as may be specified in the direction, for—