that, any further action is unnecessary or inappropriate. (3) In any case where the Commission decides to take no action, or no further action, on a complaint, the Commission shall inform the complainant of that decision and the reasons for it. Pre-investigation by the Commission 42 Before proceeding to investigate any matter in terms of this Part, the Commission shall inform the complainant and the data controller to whom the investigation relates of the – (a) the details of the subject matter of the investigation; and (b) right of the data controller to submit to the Commission, within 14 days, a written response in relation to the subject-matter of the investigation. Investigation proceedings of the Commission 43 (1) For the purpose of the investigation of a complaint, the Commission may – (a) summon and enforce the appearance of persons before the Commission and compel them to give oral or written evidence on oath and to produce any records and things that the Commission considers necessary to enable it to investigate the complaint; (b) administer oaths; (c) receive and accept any evidence and other information whether on oath, by affidavit or otherwise, that the Commission deems fit, whether or not it is or would be admissible in a court of law;