(1) The Commission may receive as evidence any statement, document, information, or matter that in its opinion may assist it to deal effectively with the subject of the inquiry, whether or not it would be admissible in a Court of law.
(3) The Commission may permit a person appearing as a witness before it to give evidence by tendering a written statement and, if the Commission thinks fit, verifying it by oath.
Sections 4B to 4D were inserted, as from 4 July 1980, by section 4 Commissions of Inquiry Amendment Act 1980 (1980 No 2).