It has become a conventional wisdom that the principle of complementarity constitutes a corner stone of the International Criminal Court ("icc" or "Court"). The principle is supposed to govern the relationship between nationals' jurisdictions and jurisdiction of the icc.
Since the Court has not been awarded exclusive jurisdiction over the crimes under international law, and states have thus retained the jurisdiction over the crimes in concern, potential clashes between exercises of jurisdiction at national and international level should indeed be addressed and eliminated by appropriate rules