4.—(1) An amendment to an approved scheme (“amendment”) is not effective unless approved in writing by the Secretary of State.
(2) The Secretary of State may only approve an amendment if the Secretary of State considers that the scheme as amended would meet the conditions in regulation 3(1).
(3) Regulation 3(2) and (3) applies in relation to an application for approval of an amendment as it applies in relation to an application for approval of a scheme.