50As regards the justification for such a restriction, it is settled case-law that national measures which are liable to hinder the exercise of fundamental freedoms guaranteed by the Treaty or make it less attractive may be allowed only if they pursue a legitimate objective in the public interest, are appropriate to ensuring the attainment of that objective, and do not go beyond what is necessary to attain the objective pursued (see, inter alia, Case C‑202/11 Las [2013] ECR, paragraph 23 and the case-law cited).
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