Costa v ENEL

Costa v ENEL
Decided 15 July 1964
Full case nameFlaminio Costa v E.N.E.L.
Case6/64
CelexID61964J0006
ECLIECLI:EU:C:1964:66
Case typeReference for a preliminary ruling
ChamberFull court
Nationality of partiesItaly
Procedural historyGiudice conciliatore di Milano, Sezione I, ordinanza del 16 January 1964 21 January 1964 (RG 1907/63)
Ruling
As a subsequent unilateral measure cannot take precedence over community law, the questions put by the Giudice Conciliatore, Milan, are admissible in so far as they relate in this case to the interpretation of provisions of the EEC treaty
Court composition
Judge-Rapporteur
Robert Lecourt
Advocate General
Maurice Lagrange

Flaminio Costa v ENEL (1964) Case 6/64 was a landmark decision of the European Court of Justice which established the primacy of European Union law (then Community law) over the laws of its member states.[1]

  1. ^ Hilf, Meinhard (2012). Costa v. ENEL case, in Wolfrum, Rudiger (ed.): The Max Planck Encyclopedia of Public International Law. Oxford: Oxford University Press, p. 824.

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