28The Court has also held that passive modes of participation in the infringement, such as the presence of an undertaking in meetings at which anticompetitive agreements were concluded, without that undertaking clearly opposing them, are indicative of collusion capable of rendering the undertaking liable under Article 101 TFEU, since a party which tacitly approves of an unlawful initiative, without publicly distancing itself from its content or reporting it to the administrative authorities, encourages the continuation of the infringement and compromises its discovery (see, to that effect, judgment in AC-Treuhand v Commission, C‑194/14 P, EU:C:2015:717, paragraph 31 and the case-law cited).
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