Schedule 1—Amendment of the Criminal Code Act 1995
Chapter 8—Offences against humanity and related offences
Division 268—Genocide, crimes against humanity, war crimes and crimes against the administration of the justice of the International Criminal Court
Subdivision J—Crimes against the administration of the justice of the International Criminal Court
268.110 Reprisals against witnesses
(1) A person commits an offence if the person causes or threatens to cause any detriment to another person who was a witness in a proceeding before the International Criminal Court:
(a) because of anything done by the other person in or for the purposes of the proceeding; and
(b) in the belief that the other person was a witness who had done that thing.
Penalty: Imprisonment for 5 years.
National prosecution for offences against the administration of justice
National penalties - maximum penalty
EDIT.