Nullum crimen sine lege

Tuvalu

The Constitution of Tuvalu

Part 2 – Bill of Rights
Division 3 – Protection of the fundamental rights and freedoms
Subdivision A – Protection Generally
22 Protection of Law
(6) No-one shall be convicted of an offence on account of an act that was not at the time of the doing of the act, an offence or a legal element of an offence

PART II

BILL OF RIGHTS

DIVISION 3 - PROTECTION OF THE FUNDAMENTAL RIGHTS AND FREEDOMS

Subdivision A - Protection Generally

22 Protection of law

(6) No-one shall be convicted of an offence on account of an act that was not at the time of the doing of the act, an offence or a legal element of an offence.

Rome Statute

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.