PRELIMINARY PART

Article 9

3. The Constitution guarantees the principle of legality, the hie¬rarchy of legal provisions, the publicity of legal enactments, the non-retroactivity of punitive measures that are unfavourable to or restrict individual rights, the certainty that the rule of law will prevail, the accountability of the public authorities, and the prohibition against arbi¬trary action on the part of the latter.

PART I
Fundamental rights and duties

CHAPTER TWO
Rights and Liberties

SECTION 1
Fundamental Rights and Public Liberties

Article 25

1. No one may be convicted or sentenced for any act or omission which at the time it was committed did not constitute a felony, misde¬meanour or administrative offence according to the law in force at that time.

Article 22
Nullum crimen sine lege
1. A person shall not be criminally responsible under this Statute unless the conduct in question constitutes, at the time it takes place, a crime within the jurisdiction of the Court.
2. The definition of a crime shall be strictly construed and shall not be extended by analogy. In case of ambiguity, the definition shall be interpreted in favour of the person being investigated, prosecuted or convicted.
3. This article shall not affect the characterization of any conduct as criminal under international law independently of this Statute.