CROATIA CRIMINAL CODE
SPECIAL PART
CHAPTER THIRTEEN (xiii) - CRIMINAL OFFENSES AGAINST VALUES PROTECTED BY INTERNATIONAL LAW
Article 187
(1) Whoever organizes a group of people or in some other way joins three or more persons in common action for the purpose of committing the criminal offenses referred to in Articles 156, through 160 and Articles 169 through 172 and Articles 179 and 181 of this Code shall be punished by imprisonment for not less than three to fifteen years.
EDIT.