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
III. NOTIFICATION T O THE PROSECUTOR AND ACTION T O BE TAKEN UPON THE PROSECUTOR'S NOTIFICATION
Article 19
(4) If the Pre-Trial Chamber of the International Criminal Court, in spite of the readiness to conduct criminal proceedings in the Republic of Croatia, authorises the Prosecutor to commence investigation, the Republic of Croatia may lodge a complaint in accordance with the Statute and the Rules of Procedure and Evidence.
Admissibility challenge
Admissibility challenge - State investigation or prosecution
Prosecutorial steps ahead of admissibility challenge
EDIT.