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 C—Crimes against humanity
268.8 Crime against humanity—murder
A person (the perpetrator) commits an offence if:
(b) the perpetrator’s conduct is committed intentionally or knowingly as part of a widespread or systematic attack directed against a civilian population.
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Civilian population - crimes against humanity
Knowledge of the attack - crimes against humanity
Widespread or systematic attack - crimes against humanity
Intent - national proceedings
EDIT.