58That said, it is settled case-law of the Court of Justice that the principle of equal treatment, relied on by the appellants, must be reconciled with the principle of legality, according to which a person may not rely, to his benefit, on an unlawful act committed in favour of a third party (judgment of 10 November 2011 in The Rank Group, C‑259/10 and C‑260/10, EU:C:2011:719, paragraph 62 and the case-law cited).
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