The United Kingdom and European Union are struggling to reach an agreement within the two-year period of negotiations. As the first country to depart from the European Union, the outcome of the British exit will set a precedent on dealings with future departing Member States. The Treaty of Lisbon, particularly Article 50, governs the procedural requirements for leaving the European Union. Examined through the lens of textualist principles and international law norms, the Treaty of Lisbon calls for an agreement to be reached between the Union and departing Member State. No European Union guidance documents provide for the default position should talks fail. This Article argues some sort of deal is required and in the best interests of everyone involved. To reach this conclusion, this Article briefly details the United Kingdom’s involvement with the European Union and the treaty provisions governing its participation with the Union. This Article uses rules of treaty interpretation in coming to the conclusion that a deal is pre-requisite to Brexit. It also highlights the increasingly more likely, and devastating, consequences of failing to meet this obligation.
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