143   Ombudsman may request further information from other persons

(1)  For the purpose of determining whether a complaint should be investigated, the Ombudsman may request information from persons other than the complainant.

(2)  This section does not authorise the Ombudsman:

(a)  to investigate the complaint or to collect information for the purposes of the investigation of the complaint or of a report under this Part, or

(b)  to interview the police officer the subject of the complaint, or

(c)  to require persons to provide information.