82Furthermore, the Court has already held that a regulatory obligation may be relevant for the purposes of assessing abusive conduct, within the meaning of Article 102 TFEU, on the part of a dominant undertaking subject to sectoral rules (see, to that effect, judgments of 14 October 2010, Deutsche Telekom v Commission, C‑280/08 P, EU:C:2010:603, paragraph 224, and of 25 March 2021, Deutsche Telekom v Commission, C‑152/19 P, EU:C:2021:238, paragraph 57).
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