In conducting the inquiry, the Registrar-General may:
(a) act in the absence of a person who has been given reasonable notice; and
(b) require a person to give evidence on oath or by statutory declaration; and
(c) adjourn the inquiry; and
(d) disregard a defect, error or insufficiency in a document; and
(e) permit or refuse to permit a person (including a legal practitioner) to represent someone at the inquiry.