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
V COOPERATION WITH INTERNATIONAL CRIMINAL COURT
Article 23
(1) The Republic of Croatia shall fully cooperate with the International Criminal Court in accordance with Article 93 of the Statute in investigations and criminal prosecution of crimes within its competence, proceeding in the manner prescribed in Art. 3 hereof.
(2) The cooperation request by the International Criminal Court shall be confidential and its content may be disclosed when this is necessary for its fulfilment, or for other particularly important reasons.
(3) All government bodies of the Republic of Croatia shall act in good faith in the process of cooperation, guided by the goals from the Statute and the purpose of each individual activity carried out.
(4) The competent government bodies shall also undertake the activities which the International Criminal Court has not expressly requested, if it appears that they are necessary in order to find the perpetrator and collect evidence for a trial before the International Criminal Court.
Other forms of cooperation
Cooperation of State
Obligation to cooperate
Cooperation under procedures of national law
EDIT.