The Member States 25 March 1957, Consolidated version of the Treaty on the Functioning of the European Union#PART SIX - INSTITUTIONAL AND FINANCIAL PROVISIONS#TITLE III - ENHANCED COOPERATION#Article 327(ex Articles 27 to 27, 40 to 40 and 43 to 45 TEU and ex Articles 11 and 11 TEC)

4. The European Parliament and the Council, acting in accordance with the ordinary legislative procedure, after consulting the Court of Auditors, shall adopt the necessary measures in the fields of the prevention of and fight against fraud affecting the financial interests of the Union with a view to affording effective and equivalent protection in the Member States and in all the Union’s