148. Every complaint relating to an event that in the opinion of the Commissioner involves the public interest, in particular, events in which death or serious bodily harm has occurred, situations potentially injurious to the public’s confidence in police officers, criminal offences, repeat offences or other serious matters, shall be dealt with under his authority. Complaints which are clearly frivolous or vexatious and complaints in respect of which the Commissioner is satisfied that the complainant has valid reasons for objecting to conciliation shall also be dealt with under the Commissioner’s authority.