The Registrar may, for the purposes of this Act:
(a) summon witnesses; and
(b) receive written or oral evidence on oath or affirmation; and
(c) require the production of documents or articles; and
(d) award costs against a party to proceedings brought before the Registrar; and
(e) notify any person of any matter that, in his or her opinion, should be brought to the person's notice.
Note: For the awarding of costs see section 221.