Is Article 50 Reversible? On Politics Beyond Legal Doctrine

Can the United Kingdom, once it has declared its withdrawal from the EU, revoke this decision later on? This question is at the core of the ongoing case before the UK Supreme Court on Art. 50 TEU. I argue that revocability fits neatly in the letter and spirit of article 50 because of formal and substantive reasons. I further content that the Supreme Court decision may create a bifurcation in which interpretation of a key TEU provision may become purely an issue of domestic law. However, I further content that actors' political decisions have progressively framed a situation in which revocability does not seem politically possible.

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