SCHEDULE 1 – THE CRIMINAL CODE.

PART I. – INTRODUCTORY.

Division 3. – Application of the Criminal Law.

11. EFFECT OF CHANGES IN LAW.

(1) A person cannot be punished for doing or omitting to do an act unless–

(a) the act or omission constituted an offence under the law in force when it occurred ; and
(b) doing or omitting to do the act under the same circumstances would constitute an offence under the law in force at the time when he is charged with the offence.

(2) If the law in force when the act or omission occurred differs from that in force at the time of the conviction, the offender cannot be punished to any greater extent than was authorized by the former law, or to any greater extent than is authorized by the latter law.

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.