37It is settled case-law that a restriction on the freedom to provide services is warranted only if it pursues a legitimate objective compatible with the Treaty and is justified by overriding reasons of public interest; if that is the case, it must be suitable for securing the attainment of the objective which it pursues and must not go beyond what is necessary in order to attain it (see, inter alia, Case C-341/05 Laval un Partneri [2007] ECR I-11767, paragraph 101 and the case-law cited).
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