The chief executive may refuse the application if satisfied that—
(a) the applicant is not suitable to be registered as a suitable operator having regard to the applicant’s environmental record; or
(b) for an applicant that is not a corporation—a disqualifying event has happened in relation to the applicant or another person of whom the applicant is a partner; or
(c) for an applicant that is a corporation—a disqualifying event has happened in relation to—(i) any of the corporation’s executive officers; or(ii) another corporation of which any of the corporation’s executive officers are, or have been, an executive officer.