3. Unless, following that assessment, the Scottish Ministers are satisfied that the project permitted by the decision or consent will not adversely affect the integrity of the European site and that regulation 23(5) does not apply, they must, in the case of a decision, revoke that decision and, in the case of a consent, either revoke that consent or make such modifications to the consent as appear to them to be necessary to ensure that the project will not adversely affect the integrity of the European site and they must notify that decision to all persons who appear to them to have an interest in the relevant land.