23As regards the justification for such a restriction, according to well-established case-law, national measures capable of hindering the exercise of the fundamental freedoms guaranteed by the Treaty or of making 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-212/06 Government of the French Community and Walloon Government [2008] ECR I-1683, paragraph 55).
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