FIRST VOLUME
General Provisions
FIRST CHAPTER
Basic Principles, Definitions and Field Of Application
SECOND SECTION Field Of Application
In Respect of Time
ARTICLE 7- (1) A person may neither be punishment nor subject to a security measure for an act which does not constitute an offense according to the law in force at the time of commission of the offense. Also, one may neither be punished nor subject to a security measure for an act which does not constitute an offense according to the law which put into force after the commission of the offense. Where a punishment or security precautions of that sort is imposed, its execution and legal consequences are spontaneously abrogated.
(2) Where there are differences between provisions of the law in force at the time of commission of the offense and the provisions of the law subsequently put into force, the law which is in favor of the perpetrator is applied and enforced.
(3) The law in force at the time of conviction is applied in respect of execution of security precautions.
(4) The provisional or permanent laws are continued to be applied for the offenses which are committed during the period when they are in force.
Non-retroactivity
Nullum crimen sine lege
Nulla poena sine lege
EDIT.