Those who view the international legal system by comparison with domestic legal systems will comment on the general absence of effective enforcement mechanisms in international law. (ejiltalk.org)
For if the inclusion of other domestic legal systems in the research does not per se change its outcome, the principles thus derived would enjoy greater legitimacy thanks to the effective demonstration of their worldwide recognition by nations. (ejiltalk.org)
Their Lordships declared, contrary to the appellant's argument, that there was indeed no generally accepted definition in international law as to what constituted terrorism and in particular that practice as to whether domestic legal systems could designate as terrorism acts of insurgents against state armed forces in non-international armed conflicts was too varied to constitute a rule of international law. (essexcourt.com)