ARTICLE III
BILL OF RIGHTS
Section 22. No ex post facto law or bill of attainder shall be enacted.
Title Three
Penalties
CHAPTER ONE
Penalties in General
ARTICLE 22. Retroactive effect of penal laws.
— Penal Laws shall have a retroactive effect in so far as they favor the person guilty of a felony, who is not a habitual criminal, as this term is defined in Rule 5 of Article 62 of this Code, although at the time of the publication of such laws a final sentence has been pronounced and the convict is serving the same.
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.
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.