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 7 - Safeguards#Article 79

7.6.2016 EN Official Journal of the European Union C 203/32 Article 79 The Commission shall require that operating records be kept and produced in order to permit accounting for ores, source materials and special fissile materials used or produced. The same requirement shall apply in the case of the transport of source materials and special fissile materials.