3.—(1) Classes 1A to 1D, 2A, 2B, 3A to 3E and 4A of Parts 1 and 1ZA of Schedule 1 to the 1992 Order, as substituted by article 2 of this Order, do not apply to any development initiated(1) before 6th February 2012 and completed before 31st August 2012, and the provisions of Part 1 of Schedule 1 to the 1992 Order shall continue to have effect with regard to such development as they did immediately before 6th February 2012.
(2) Development described in classes 1A(1), 1B(1), 1C(1), 1D(1), 2A(1), 2B(1), 3A(1), 3B(1), 3C(1), 3D(1), 3E(1) and 4A(1) of Parts 1 and 1ZA of Schedule 1 to the 1992 Order, as substituted by article 2 of this Order, is not permitted where—
(a)immediately before 6th February 2012 article 3 of the 1992 Order did not apply to that development by virtue of a direction made under article 4 of that Order; and
(b)that direction has not subsequently been cancelled by the Scottish Ministers or the planning authority under article 6 of the 1992 Order.
Section 27 of the Town and Country Planning (Scotland) Act 1967 describes when development is initiated.