Judgment_paragraph 45 · International Express Carriers Conference (IECC) v Commission of the European Communities, La Poste, United Kingdom of Great Britain and Northern Ireland and The Post Office (C-449/98 P)

45In that regard, it should first be observed that the Commission, in the exercise of its discretion, must take into consideration all the relevant matters of law and of fact in order to decide what action to take in response to a complaint. More particularly, it must consider attentively all the matters of fact and of law which the complainant brings to its attention (Case 210/81 Demo-Studio Schmidt v Commission [1983] ECR 3045, paragraph 19; Case 298/83 CICCE v Commission [1985] ECR 1105, paragraph 18; Joined Cases 142/84 and 156/84 BAT and Reynolds v Commission [1987] ECR 4487, paragraph 20; and Ufex and Others v Commission, cited above, paragraph 86).