(1) This section applies if:
(a) a complaint has been made to the Postal Industry Ombudsman with respect to action taken by Australia Post or by a registered PPO; and
(b) in the opinion of the Postal Industry Ombudsman:
(i) the complaint is frivolous or vexatious or was not made in good faith; or
(ii) the complainant does not have a sufficient interest in the subject matter of the complaint; or
(iii) an investigation, or further investigation, of the action is not warranted having regard to all the circumstances.
(2) The Postal Industry Ombudsman may, in his or her discretion:
(a) decide not to investigate the action; or
(b) if he or she has started to investigate the action--decide not to investigate the action further.