LAW on the Implementation of the Statute of the International Criminal Court and the Prosecution of Crimes against International Law of War and Humanitarian Law
IV. LEGAL CONSEQUENCES OF PROCEEDINGS BEFORE THE INTERNATIONAL CRIMINAL COURT
Article 21
(2) When proceedings against the person indicted are under way before a court in Croatia, and the International Criminal Court begins criminal proceedings against the same person for the same crime, the proceedings before the court in Croatia will be suspended upon the surrender of the person indicted to the International Criminal Court or when this person otherwise appears before the ICC.
Unique provision - cooperation
Unique provision - procedure
Priority of Rome Statute over national law
EDIT.