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 331(ex Articles 27 to 27, 40 to 40 and 43 to 45 TEU and ex Articles 11 and 11 TEC)

Article 329 (ex Articles 27a to 27e, 40 to 40b and 43 to 45 TEU and ex Articles 11 and 11a TEC) 1. Member States which wish to establish enhanced cooperation between themselves in one of the areas covered by the Treaties, with the exception of fields of exclusive competence and the common foreign and security policy, shall address a request to the Commission, specifying the scope and objectives