(1) The Commission may decide not to investigate a complaint, if in the opinion of the Commission:
(a) the complaint is frivolous or vexatious or was not made in good faith; or
(b) the complainant does not have sufficient interest in the subject matter of the complaint; or
(c) an investigation is not warranted having regard to all the relevant circumstances.
(2) If the Commission decides not to investigate a complaint it must inform the complainant of the decision.