New South Wales Consolidated Acts(cf ICAC Act s 35)
(1) The Commissioner may summon a person to appear before the Commission at a hearing at a time and place named in the summons:(a) to give evidence, or(b) to produce such documents or other things (if any) as are referred to in the summons,or both.
(2) The person presiding at a hearing before the Commission may require a person appearing at the hearing to produce a document or other thing.
(3) The Commission may, at a hearing, take evidence on oath or affirmation and for that purpose:(a) the person presiding at the hearing may require a person appearing at the hearing to give evidence either to take an oath or make an affirmation in a form approved by the person presiding, and(b) the person presiding, or a person authorised for the purpose by the person presiding, may administer an oath or affirmation to a person so appearing at the hearing.
(4) A witness who has been summoned to attend before the Commission must appear and report himself or herself from day to day unless the witness is excused from attendance or until the witness is released from further attendance by the person presiding at the hearing.
(5) A person who, without being so excused or released, fails to appear and report is taken to have failed to appear before the Commission in obedience to the summons.
(6) A Judge or Magistrate may, on the application of the Commissioner, issue any summons that the Commissioner is authorised to issue under this section.
(7) The purpose of subsection (6) is to enable the summons to be given the character of a summons by a judicial officer, for the purposes of the Service and Execution of Process Act 1992 of the Commonwealth and any other relevant law.