CROATIA CRIMINAL CODE
GENERAL PART
CHAPTER FIVE (v) - PUNISHMENT AND SENTENCING
Article 60
(1) If the perpetrator, by one or more acts, commits several criminal offenses adjudicated at the same time, the court shall, for each committed criminal offense, assess the punishment pursuant to the law, and shall then pronounce an aggregate sentence for all these offenses.
Multiplicity of criminal offences
EDIT.