Judgment_paragraph 79 · Aalborg Portland A/S, Irish Cement Ltd, Ciments français SA, Italcementi - Fabbriche Riunite Cemento SpA, Buzzi Unicem SpA and Cementir - Cementerie del Tirreno SpA v Commission of the European Communities (C-204/00 P, C-205/00 P, C-211/00 P, C-213/00 P, C-217/00 P, C-219/00 P)

79Although according to those principles the legal burden of proof is borne either by the Commission or by the undertaking or association concerned, the factual evidence on which a party relies may be of such a kind as to require the other party to provide an explanation or justification, failing which it is permissible to conclude that the burden of proof has been discharged.