It is becoming increasingly widely acknowledged among academics that the application of international treaties and customary international law by the International Court of Justice (ICJ) poses implementational difficulties for International organizations. This research aims to explain why such is the case and suggest potential solutions—examining the many judicial perspectives and comparing international law to its approach in internal case law. In this paper, the researcher has adopted the theoretical approach of studying the cases, sources of lows, their implementation, and reaction over it by other organizations. This research finds that multilateral organization has practical difficulties distinguishing the issues from the political aspect to the legal part of it.