ARTICLE II
BILL OF RIGHTS
Section 8. Ex -Post Facto Laws and Bills of Attainder.
(1) No person shall be subjected to ex post facto punishment such as punishment in excess of that validly applicable at the time the act in question was committed, or punishment imposed by a procedure less favorable to the accused than that validly applicable at the time the act was committed.
''ARTICLE I, SUPREMACY OF THE CONSTITUTION, Section 8. Ex -Post Facto Laws and Bills of Attainder''
(1) No person shall be subjected to ex post facto punishment - such as punishment in excess of that validly applicable at the time the act in question was committed, or punishment imposed by a procedure less favorable to the accused than that validly applicable at the time the act was committed.
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.