For the purpose of applying the provisions of this Regulation on exclusion from international protection to an applicant for having committed acts constituting participation in the activities of a terrorist group, the fact that it has not been established that such an applicant committed, attempted to commit or threatened to commit a terrorist act as defined in the resolutions of the United Nations Security Council does not preclude Member States’ authorities from regarding the conduct of the applicant as contrary to the purposes and principles of the United Nations.