Crimes Against Humanity and War Crimes Act 2000
6. (3) The definitions in this subsection apply in this section.
• “war crime”
«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
Awareness of conflict - war crimes
EDIT.