3.—(1) Subject to regulation 21, these Regulations apply to orders made or proposed to be made by an authority under any of the following provisions of the Act, that is to say, sections 1, 9, 19, 29, 32, 35, 37, 38, 45, 46, 49(2) and (4), 83(2) and 84.
(2) Except where otherwise stated, each regulation applies to every such order.
(3) Except where otherwise stated, these Regulations apply to an order under any of the provisions of the Act mentioned in paragraph (1) made or proposed to be made by an authority in pursuance of a direction of the Secretary of State under paragraphs 1 and 2 of Schedule 9 to the Act in the same way as it applies to an order in relation to which no such direction has been given.