GENERAL PART
CHAPTER IV
GROUNDS FOR TOTAL OR PARTIAL EXEMPTION FROM CRIMINAL RESPONSIBILITY

Section 15
The perpetrator may be totally or partially exempted from criminal responsibility, or an act may be fully or partly exempted from criminalization on the following grounds:
...
d) mistake;

GENERAL PART
CHAPTER IV
GROUNDS FOR TOTAL OR PARTIAL EXEMPTION FROM CRIMINAL RESPONSIBILITY

Mistake

Section 20
(2) Any person who commits an act on the mistaken assumption that it is not harmful to society and who has reasonable grounds for this presumption shall not be prosecuted.