83 (2) (h) promote fair, efficient and good governance in public affairs; (i) take such other measures incidental to the above as may be prescribed by Parliament. The Commission may investigate any matter referred to in subsection (1) in any of the following circumstances – (a) where a complaint is duly made to the Commission by any person alleging that the complainant has sustained an injustice as a result of a fault in administration; (b) where a member of Parliament requests the Commission to investigate the matter on the ground that a person or body of persons specified in the request has or may have sustained an injustice; in any other circumstances in which the Commissioner, in good faith, considers that the Commission ought to investigate the matter on the ground that some person or body of persons has or may have sustained an injustice. (c) Powers of the Commission 165. (1) The powers of the Commission shall include the following – (a) to issue subpoenas requiring the attendance of any person before the Commission and the production of any document, record or thing required for the investigation by the Commission; (b) to fine any person for contempt of any subpoena or order, or cause that person to be brought by a competent court for the enforcement of the subpoena or order of the Commission; (c) to question any person in respect of any subject matter under investigation before the Commission; (d) to require any person to disclose truthfully and frankly any information within the knowledge of that person relevant to any investigation by the Commission. (2) The Commission may during the course of its proceedings or as a consequence of its findings, make such orders and give such directions as are necessary and appropriate in the circumstances. (3) The Commission shall not investigate – (a) a matter which is pending before a court; (b) a matter involving the relations or dealings between the Government and any other Government or an international organisation; or (c) a matter relating to the exercise of any royal prerogative by the Crown. (4) Subject to the provisions of subsection (3) the Commission may investigate an authority that has been established to investigate a matter where in the opinion of the Commissioner the authority is failing to carry out its mandate with due speed. 83