CRIMINAL CODE
PART I - General Provisions
TITLE V - General Exemption From Criminal Liability
28.-(1) A person shall not be punished for an act which by reason of ignorance or mistake of fact in good faith he believes to be lawful.
(2) A person shall not, except as in this Code otherwise expressly provided, be exempt from liability to punishment for any act on the ground of ignorance that such act is prohibited by law.
Mistake of fact - national proceedings
Mistake of law - national proceedings
EDIT.