50As regards, in the second place, the condition laid down in Article 4(1) of the Framework Directive, according to which an undertaking must be ‘affected by’ the decision taken by an NRA which it intends to challenge, that condition must be considered to be fulfilled in so far as that decision is likely to have an impact on the position of that undertaking on the market or where its rights under EU law are potentially affected by that decision (see, to that effect, judgments of 21 February 2008, Tele2 Telecommunication, C‑426/05, EU:C:2008:103, paragraphs 32 and 39, and of 22 January 2015, T-Mobile Austria, C‑282/13, EU:C:2015:24, paragraph 37). Thus, that condition is fulfilled if the rights of the undertaking in question are potentially affected by the decision of the NRA concerned by reason of its content and the activity exercised or envisaged by that undertaking (see, to that effect, judgment of 24 April 2008, Arcor, C‑55/06, EU:C:2008:244, paragraph 176).
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