It shall be a condition of the planning permission deemed by section 10(1) to be granted, so far as relating to development consisting of the carrying out of a scheduled work, that the development must be begun not later than the end of 10 years beginning with the day on which this Act is passed.
The Secretary of State may, in relation to any development to which the condition imposed by subsection (1) applies, by order extend the period by reference to which the condition operates.
The power conferred by subsection (2) shall be exercisable by statutory instrument which shall be subject to annulment in pursuance of a resolution of either House of Parliament.
Nothing in section 91 of the Town and Country Planning Act 1990 (c. 8) (limit on duration of planning permission) shall apply to the planning permission deemed by section 10(1) to be granted.