commiss decis novemb access convent nuclear safeti european atom energi commun euratom notifi document number euratom commiss european commun regard treati establish european atom energi commun paragraph articl thereof regard council decis decemb approv access european atom energi commun convent nuclear safeti member state contract parti convent nuclear safeti european atom energi commun acced convent nuclear safeti decid articl access convent nuclear safeti approv behalf european atom energi commun text convent declar european atom energi commun provis articl iii convent attach decis articl instrument access deposit director gener intern atom energi agenc depositari convent dai adopt decis brussel novemb commiss margot wallström member commiss