Law Commons^™

International Law's Erie Moment, Harlan Grant Cohen

Michigan Journal of International Law

The episode put the question starkly: Who fills the gaps in international law and how? A series of tribunals operating under Chapter 11 of the North American Free Trade Agreement (NAFTA) had adopted broader interpretations of vague treaty language than those recommended by the state parties. In response, government ministers from the three state parties, Mexico, Canada, and the United States, operating through the Free Trade Commission (FTC) established by the treaty, adopted "Notes of Interpretation" clarifying their view of the treaty's meaning. International tribunals are generally tasked with examining state practice, either to recognize rules of customary international law …