Non-retroactivity

Mexico

Mexico - Constitution 1917 (2015) EN

TITLE ONE

CHAPTER I
Fundamental rights

Article 14

No law will have retroactive effect.

''TITLE ONE, CHAPTER I: Human Rights and Guarantees, Article 14''

No law will have retroactive effect in detriment of any person.

Rome Statute

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.