Costa v ENEL | |
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Decided 15 July 1964 | |
Full case name | Flaminio Costa v E.N.E.L. |
Case | 6/64 |
CelexID | 61964J0006 |
ECLI | ECLI:EU:C:1964:66 |
Case type | Reference for a preliminary ruling |
Chamber | Full court |
Nationality of parties | Italy |
Procedural history | Giudice 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]