GENERAL PART
Chapter Three
CRIMINAL OFFENCE
1. General provisions on Criminal Offence
Article 15
(1) A criminal offence is committed by omission if the law defines a failure to undertake a particular action as a criminal offence.
(2) A criminal offence may also be committed by omission even if the law defines the offence as commission, if elements of such criminal offence have materialised by the offender's failure to do what he was obliged to do.
EDIT.