24. Provision to secure protection of the law and fair play
(5) No person shall be charged with or held to be guilty of a criminal offence on account of any act or omission which did not at the time it took place constitute such an offence, and no penalty shall be imposed for any criminal offence which is more severe in degree or description that the maximum penalty which might have been imposed for that offence at the time when it was committed.
100. The legislative power
(2) The National Assembly shall not pass a Bill -
(c) to alter the decision or judgement of a court in any proceedings to the prejudice of any party to those proceedings, or deprive any person retroactively of vested or acquired rights, but subject thereto, the National Assembly may pass Bills designed to have retroactive effect.
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.