FIRST VOLUME
General Provisions
FIRST CHAPTER
Basic Principles, Definitions and Field Of Application
FIRST SECTION
Basic Principles and Definitions
Legality rule in offences and punishments
ARTICLE 2- (1) A person may neither be punished nor be imposed cautionary judgment for an act which does not explicitly constitute an offence within the definition of the Law. Furthermore, application of punishments and security precautions besides those stipulated in this Law is not allowed.
Nullum crimen sine lege
Nulla poena sine lege
EDIT.