31However, such a restriction may be justified in so far as it pursues a legitimate objective in the public interest, and to the extent that it complies with the principle of proportionality in that it is suitable for securing the attainment of that objective and does not go beyond what is necessary in order to attain it (see, to that effect, Serrantoni and Consorzio stabile edili, EU:C:2009:808, paragraph 44).
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