12.—(1) The accused may waive the preliminary examination and elect to be sent forward for trial with a plea of not guilty, unless the prosecutor requires the attendance of a witness under section 7 (2).
(2) In the event of such waiver, the justice shall send him forward for trial and the Attorney General shall cause to be served on him any documents required to be supplied to the accused and not already served.
(3) Copies of the documents shall also be furnished to the trial court.
(4) A child or young person (within the meaning of the Children Acts, 1908 to 1957) shall not be permitted to exercise a waiver under this section except with the consent of the parent or guardian having the actual possession and control of him.
