In conducting an investigation the Council—
(a) may adopt its own procedure;
(b) may exclude the public and media from its sittings;
(c) is not bound by the rules of evidence but may inform itself of any matter in such a manner as it considers appropriate;
(d) is bound by the rules of natural justice;
(e) may—
(i) summon a person to attend meetings of the Council and to answer questions put to him or her by members of the Council,
(ii) permit the complainant or an interested person to appear before it to be represented by Counsel or another person.