Judgment of the Court of Justice of 20 November 2003, GEMO SA, C-126/01, ECLI:EU:C:2003:622, paragraphs 28 to 31 on the free collection and disposal of waste.
Arrêt de la Cour de justice du 27 mars 1980, Amministrazione delle finanze dello Stato, 61/79, ECLI:EU:C:1980:100, points 29 à 32.