3.—(1) For the purpose of any requirement of any provision specified in paragraph (2), where a project is a nationally significant infrastructure project, by virtue of the amendments made by article 2 of this Order, the Secretary of State may treat anything done before the date on which this Order comes into force as compliance with that requirement, if it would have complied with that requirement had it been done after that date.
(2) The provisions referred to in paragraph (1) are any provision of —
(a)Chapter 2 of Part 5 of the Act;
(b)the Infrastructure Planning (Environmental Impact Assessment) Regulations 2009(1); or
(c)the Infrastructure Planning (Application: Prescribed Forms and Procedure) Regulations 2009(2).