GENERAL PART

Chapter II EFFECT OF THE PENAL CODE

Article 7.- The temporal application of the Penal Code

2. Provisions defining a new offense, a heavier penalty, a new aggravating circumstance or restricting the scope of application of suspended sentences, the exemption of penal liability and/or penalties, the reduction of penalties or remission of criminal records, and other provisions not in favor of the offenders, shall not apply to acts of criminal offense committed before such provisions take effect.

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.