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
GENERAL PROVISIONS
Article 5
(1) unless otherwise decided by Government of the Republic of Croatia, the state authorities shall communicate with the International Criminal Court through the Government of the Republic of Croatia in the Croatian language or in one of the official languages of the International Criminal Court.
(2) Communication between the Government of the Republic of Croatia and the International Criminal Court shall be conducted through diplomatic channels. In case of emergency or for a justified reason such communication can also be conducted through direct contacts.
(3) If not in contravention of the law and the purpose and intent of the foregoing paragraphs 1 and 2, communication in specific matters can also be conducted via Interpol, with the Government of the Republic of Croatia to be immediately notified on such cases.
(4) The Government of the Republic of Croatia can in any case require that such communication be conducted as envisaged in paragraph 2 of this article.
EDIT.