The Member States 12 December 2007, Charter of Fundamental Rights of the European Union#TITLE VII - GENERAL PROVISIONS GOVERNING THE INTERPRETATION AND APPLICATION OF THE CHARTER#Article 52 - Scope and interpretation of rights and principles

Article 50 Right not to be tried or punished twice in criminal proceedings for the same criminal offence No one shall be liable to be tried or punished again in criminal proceedings for an offence for which he or she has already been finally acquitted or convicted within the Union in accordance with the law.