1. The International Tribunal and national courts shall have concurrent jurisdiction to prosecute persons for serious violations of international humanitarian law committed in the territory of the former Yugoslavia since 1 January 1991.
2. The International Tribunal shall have primacy over national courts. At any stage of the procedure, the International Tribunal may formally request national courts to defer to the competence of the International Tribunal in accordance with the present Statute and the Rules of Procedure and Evidence of the International Tribunal.