Article 4a

A European System of Central Banks (hereinafter referred to as 'ESCB') and a European Central Bank (hereinafter referred to as 'ECB') shall be established in accordance with the procedures laid down in this Treaty; they shall act within the limits of the powers conferred upon them by this Treaty and by the Statute of the ESCB and of the ECB (hereinafter referred to as 'Statute of the ESCB') annexed thereto.