Ombudsman (Komesina o Sulufaiga) Act 2013 19 (2) The functions, duties and powers of the special investigation unit are as prescribed by regulations. (3) The unit: (a) must not investigate any matter that is being investigated or inquired into by the Police, Prisons or prescribed disciplined force under their respective Acts; or (b) as an exception to paragraph (a), may investigate the matter if the Ombudsman has reasons to believe that— (i) there is an abuse of process by the Police, Prisons or prescribed disciplined force; or (ii) there has been an unreasonable delay in the investigation; or (iii) the matter has not been appropriately investigated. (4) The Police or Prisons or prescribed disciplined force must not: (a) investigate any matter investigated by the unit; or (b) continue investigating a matter being investigated under subsection (3)(b). PART 6 GENERAL POWERS 42. Application – This Part applies to Parts 3, 4 and 5. 43. Production of documents, information and evidence – (1) Subject to section 49, the Ombudsman may, for the purposes of Part 3, 4 or 5, require a person: (a) to provide any information; or (b) to produce a document or thing, — which may be in the possession or under the control of the person or for Part 3 under the possession or control of a Ministry or organisation. (2) The Ombudsman may: (a) summon and examine on oath— (i) a person who is able to give the information under subsection (1); (ii) the complainant under Part 3 or 5; or