BOOK I
GENERAL PART
TITLE II
ON CRIME
CHAPTER I
GENERAL ASSUMPTIONS
Article 20. Exemption from criminal liability by reason of age
1. Minors under 16 are exempt from criminal liability.
2. For persons over 16 years of age and less than 21, the law shall determine specific provisions concerning application and execution of criminal penalties in any and all cases not provided for in specific legislation.
Age of criminal responsibility - national proceedings
EDIT.