Canada–France Maritime Boundary Case

The Canada–France Maritime Boundary Case was a 1992 dispute between Canada and France that was decided by an arbitral tribunal created by the parties to resolve the dispute. The case established the extent of the Exclusive Economic Zone of the French territory of Saint Pierre and Miquelon.

In 1972, Canada and France signed a treaty that delimited the territorial maritime boundary between Canada and the French territory of Saint Pierre and Miquelon. However, the maritime boundaries beyond the territorial sea (including extent of the Exclusive Economic Zones (EEZ) of both countries) continued to be disputed. The extent of each country's EEZ was significant because it would determine where the countries had an exclusive right to fish. Years of failed negotiations led Canada and France to agree in March 1989 to establish an ad hoc arbitral tribunal that would resolve the dispute.

The arbitral tribunal was composed of five arbitrators—three neutral parties and one representative from each country. The neutral arbitrators were Eduardo Jiménez de Aréchaga of Uruguay (president), Gaetano Arangio-Ruiz of Italy, and Oscar Schachter of the United States. Canada's representative was Allan Gotlieb and France's was Prosper Weil.

The arbitral tribunal issued its decision and award on 10 June 1992. It was a 3–2 decision, with the representatives of both Canada and France dissenting from the decision. The zone that was awarded to France was unusual and in two parts: first, the boundary was set at an equidistant line between the French islands and the Canadian island of Newfoundland. Added to this was a 24 nautical mile bulge on the west of the islands. Lastly, a long north–south 188-nautical-mile (348 km) corridor south of the islands was awarded to France, presumably to allow France access to its EEZ from international waters without having to pass through the Canadian EEZ. The corridor is narrow, being approximately 10½ nautical miles wide. The shape of the award has been likened to a keyhole, a mushroom, and a baguette.

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