Treaties — Effect in municipal law — Priority of treaty provisions over conflicting provisions of subsequently enacted municipal law — EEC Treaty 1957, Article 95 — French Constitution, Article 55

Treaties — Application — Constitutional limitations — Requirement of reciprocity — French Constitution, Article 55 — EEC Treaty, 1957

Relationship of international law and municipal law — Treaties — Effect in municipal law — EEC Treaty, 1957 — Nature of legal order established by Treaty

Economics, trade and finance — Taxation — EEC Treaty, 1957, Article 95 — Rule banning discriminatory internal taxation — Legality of higher internal consumption tax on imported coffee products — The law of France