PART TWO
HUMAN RIGHTS AND LIBERTIES
2. PERSONAL RIGHTS AND LIBERTIES
Principle of legality
Article 33
No one may be punished for an act that, prior to being committed, was not stipulated by the law as punishable, nor may be pronounced a punishment which was not envisaged for that act.
Nullum crimen sine lege
Nulla poena sine lege
EDIT.