Power of Commissioner to send for witnesses and documents reg-5.04 — as in force on 2026-06-01 — F2026C00497 · Compilation No. 287 — https://www.legislation.gov.au/F2026C00497/latest/text 5.04 Power of Commissioner to send for witnesses and documents A Commissioner appointed under subsection 203(4) of the Act (which deals with the appointment of commissioners) may, by writing signed by the Commissioner, summon any person: (a) to attend before the Commissioner at a time and place specified in the summons; and (b) to give evidence; and (c) to produce any books or documents in the person’s custody or control which the person is required by the summons to produce.