PART II
INTERNATIONAL CRIMES AND OFFENCES AGAINST THE ADMINISTRATION OF JUSTICE

5. Genocide -

(2) For the purposes of this section, “genocide” is an act specified in article 6 of the Statute and includes any other act which, at the time and in the place of its commission, constitutes genocide according to customary international law or conventional international law or by virtue of it being criminal according to the general principles of law recognised by the community of nations, whether or not it constitutes a contravention of the law in force at the time and in the place of its commission.

PART II
INTERNATIONAL CRIMES AND OFFENCES AGAINST THE ADMINISTRATION OF JUSTICE

6. Crimes against humanity -

(2) For the purposes of this section, “crime against humanity” is an act specified in article 7 of the Statute and includes any other act which, at the time and in the place of its commission, constitutes a crime against humanity according to customary international law or conventional international law or by virtue of it being criminal according to the general principles of law recognized by the community of nations, whether or not it constitutes a contravention of the law in force at the time and in the place of its commission.

PART II
INTERNATIONAL CRIMES AND OFFENCES AGAINST THE ADMINISTRATION OF JUSTICE

7. War crimes -

(2) For the purposes of this section, a “war crime” means an act specified in article 8(2) of the Statute and any other act committed during an armed conflict which, 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.

Article 11
Jurisdiction ratione temporis
2. If a State becomes a Party to this Statute after its entry into force, the Court may exercise its jurisdiction only with respect to crimes committed after the entry into force of this Statute for that State, unless that State has made a declaration under article 12, paragraph 3.

Article 24
Non-retroactivity ratione personae
1. No person shall be criminally responsible under this Statute for conduct prior to the entry into force of the Statute.
2. In the event of a change in the law applicable to a given case prior to a final judgement, the law more favourable to the person being investigated, prosecuted or convicted shall apply.