The Member States 25 March 1957, Consolidated version of the Treaty establishing the European Atomic Energy Community#TITLE II - PROVISIONS FOR THE ENCOURAGEMENT OF PROGRESS IN THE FIELD OF NUCLEAR ENERGY#CHAPTER 10 - External relations#Article 106

7.6.2016 EN Official Journal of the European Union C 203/39 Article 106 Member States which, before 1 January 1958 or, for acceding States, before the date of their accession, have concluded agreements with third States providing for cooperation in the field of nuclear energy shall be required to undertake jointly with the Commission the necessary negotiations with these third States in order to