The Member States 25 March 1957, Consolidated version of the Treaty on the Functioning of the European Union#PART THREE - UNION POLICIES AND INTERNAL ACTIONS#TITLE VIII - ECONOMIC AND MONETARY POLICY#Chapter 1 - Economic policy#Article 121(ex Article 99 TEC)

2. Concurrently with the foregoing, and as provided in the Treaties and in accordance with the procedures set out therein, these activities shall include a single currency, the euro, and the definition and conduct of a single monetary policy and exchange-rate policy the primary objective of both of which shall be to maintain price stability and, without prejudice to this objective, to support the