Law Commons^™

The Chorus Doctrine: Promoting Sub-National Diplomacy In Regional Growth Management, Conor J. Mannix

Washington Law Review

Sub-national diplomacy, also known as paradiplomacy, occurs when sub-national actors (think cities or states) engage in international relations, either with other sub-national actors or nation-states. Though typically the province of foreign policy scholarship, paradiplomacy touches on several legal issues, particularly where sovereignty and legal frameworks collide. In the United States, the federal system established by the Constitution gives individual states plenary power but reserves international relations to the federal government through the Supremacy Clause. However, the lines between federal power and state power with regards to international relations remain fuzzy.

Sub-national actors are taking advantage of this lack of sharply …