BOOK I
GENERAL PROVISIONS

TITLE I
THE CRIMINAL LAW

CHAPTER II
OF THE OPERATIVE PERIOD OF A CRIMINAL LAW

ARTICLE 112-1

Conduct is punishable only where it constituted a criminal offence at the time when it took place.

Only those penalties legally applicable at the same date may be imposed.

However, new provisions are applicable to offences committed before their coming into force and which have not led to a res judicata conviction, when they are less severe than the previous provisions.

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.