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 F—War crimes that are serious violations of article 3 common to the Geneva Conventions and are committed in the course of an armed conflict that is not an international armed conflict
268.76 War crime—sentencing or execution without due process
(2) A person (the perpetrator) commits an offence if:
(a) the perpetrator executes one or more persons; and
(b) the person or persons are not taking an active part in the hostilities; and
(c) the perpetrator knows of, or is reckless as to, the factual circumstances establishing that the person or persons are not taking an active part in the hostilities; and
(d) either of the following applies:
(i) there was no previous judgment pronounced by a court;
(ii) the court that rendered judgment did not afford the essential guarantees of independence and impartiality or other judicial guarantees; and
(e) if the court did not afford other judicial guarantees—those guarantees are guarantees set out in articles 14, 15 and 16 of the Covenant; and
(f) the perpetrator knows of:
(i) if subparagraph (d)(i) applies—the absence of a previous judgment; or
(ii) if subparagraph (d)(ii) applies—the failure to afford the relevant guarantees and the fact that they are indispensable to a fair trial; and
(g) the perpetrator’s conduct takes place in the context of, and is associated with, an armed conflict that is not an international armed conflict.
Penalty: Imprisonment for life.
National penalties - war crimes
National penalties - maximum penalty
EDIT.