Brussels, 24/06/2016 (Agence Europe) - Article 50 in the Treaty explains, without entering into detail, the process for a member state withdrawing from the European Union.
This provision was introduced with the ratification of the currently applicable Lisbon Treaty. The previous European treaties did not allow for the possibility of a member state leaving the European Union because this union was, in principle, based on continued integration. (Original version in French by Mathieu...