BOOK I
General provisions on felonies and misdemeanours, the persons responsible, the penalties, security measures and other consequences of criminal offences
TITLE I
On felonies and misdemeanours
CHAPTER I
On felonies and misdemeanours
Article 14
3. An essential error concerning the unlawfulness of the fact constituting the criminal offences precludes criminal accountability. Should it have been possible to overcome the error, the punishment lower by one or two degrees shall be applied.
Mistake of law - national proceedings
EDIT.