39As a preliminary point, it should be recalled that it is clear from the second paragraph of Article 258 TFEU that, if the Member State concerned does not comply with the reasoned opinion within the period laid down therein, the Commission may bring the matter before the Court. According to the settled case-law of the Court, the question whether a Member State has failed to fulfil its obligations must be determined by reference to the situation prevailing in the Member State at the end of that period (see, in particular, judgment of 4 May 2017, Commission v Luxembourg, C‑274/15, EU:C:2017:333, paragraph 47).
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