Cape Verde Legislative Decree 4/2003 of 18 November 2003 - PENAL CODE
VOLUME I - GENERAL PROVISIONS
TITLE II - PUNISHABLE DEEDS
CHAPTER I - DEFINING CRITERIA OF PUNISHMENT
Article 8
(Deeds of commission and of omission)
1. When a standard type of criminal offence involves a certain result, the offence may be committed by means of either an act of commission or an act of omission, unless the intent of the law is otherwise.
2. The commission of an act of omission shall be punishable only if the party committing the act has a legal duty specifically requiring it to prevent the typical result from coming about.
EDIT.