(1) The ACCC may:
(a) extend the time at or before which information may or must be given, or a document may or must be produced, to the ACCC under this Part; and
(b) permit a person to amend or withdraw information or evidence given to, or a document produced to, the ACCC for the purposes of an inquiry; and
(c) adjourn an inquiry to any time or place; and
(d) decide:
(i) to limit the duration of the time in which a person may give evidence or make a submission at a conference; and
(ii) who may be present at a conference; and
(iii) whether a conference may be conducted wholly or partly in person or by telephone, closed circuit television or another means of communication.
(2) The ACCC must exercise its powers in a manner:
(a) that enables the ACCC to complete an inquiry within the time prescribed by section 27; and
(b) that is fair and efficient.
(3) In conducting an inquiry, the ACCC is not bound by legal forms or technicalities or the rules of evidence.