29. Schedule 4 applies to—
(a)any decision that a project is not an EIA project; and
(b)any consent for an EIA project,
where, after the date of the decision or grant of consent, a site becomes a European site and in the opinion of the Scottish Ministers the carrying out or completion (having the same meaning as in regulation 23(9)(b)) of the project would be likely to have a significant effect on that site and would not be directly connected with or necessary for the management of the site.