53That is the case, according to settled case-law of the Court, where the difference in treatment relates to a legally permitted objective pursued by the measure having the effect of giving rise to such a difference and is proportionate to that objective (see, to that effect, judgments of 17 October 2013, Schaible, C‑101/12, EU:C:2013:661, paragraph 77, and of 22 May 2014, Glatzel, C‑356/12, EU:C:2014:350, paragraph 43).
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