Crimes Against Humanity and War Crimes Act 2000
(3) The definitions in this subsection apply in this section.
«crime de guerre»
“war crime” means an act or omission committed during an armed conflict that, at the
time and in the place of its commission, constitutes a war crime according to
customary international law or conventional international law applicable to armed
conflicts, whether or not it constitutes a contravention of the law in force at the time
and in the place of its commission.
War crimes
Grave breaches - IAC
Awareness of conflict - war crimes
EDIT.