The Member States 25 March 1957, Consolidated version of the Treaty establishing the European Atomic Energy Community#TITLE III - Institutional and financial provisions#CHAPTER 4 - THE ECONOMIC AND SOCIAL COMMITTEE#Article 167

When these formalities have been completed on application by the party concerned, the latter may proceed to enforcement in accordance with the national law, by bringing the matter directly before the competent authority. Enforcement may be suspended only by a decision of the Court of Justice of the European Union.