Costa vs Enel

Court of Justice (Photo: Court of Justice)

Case number 6/64: one of the most significant rulings of the Court of Justice asserting the primacy of EU law.

The principle is inserted in the Lisbon Treaty through a footnote in Declaration no 17 quoting the Costa-Enel verdict.

Links

Judgement of the Court of 15 July 1964.  Flaminio Costa v E.N.E.L.  http://eur-lex.europa.eu/LexUr......do?uri=CELEX:61964J0006:EN:NOT