4.—(1) The amendments made by section 32 and section 35 of the Act only apply in relation to a compulsory purchase of land which is authorised on or after 22nd September 2017.
(2) For the purposes of this regulation, a compulsory purchase of land is authorised—
(a)by a compulsory purchase order, on the day on which the order is—
(i)confirmed by a Minister, the Welsh Ministers or another authority; or
(ii)made by a Minister or the Welsh Ministers;
(b)by an order under section 1 or 3 of the Transport and Works Act 1992(1), on the day on which the Secretary of State or the Welsh Ministers determine under section 13(1) of that Act to make the order;
(c)by a harbour revision order, a harbour empowerment order or a harbour closure order under the Harbours Act 1964(2), on the day on which the order is made by a Minister, the Welsh Ministers or a person who is designated in an order made under section 42A(3) of that Act;
(d)by any other order, on the day on which the order is made by a Minister or the Welsh Ministers; or
(e)by a special enactment, on the day on which the special enactment is enacted.
Section 42A was inserted by section 315 of, and paragraphs 1 and 3(1) of Schedule 21 to, the Marine and Coastal Access Act 2009 (c.23).