84If the judicial review guaranteed by Article 47 of the Charter is to be effective, the reasons given by the requesting authority must put the national court in a position in which it may carry out the review of the legality of the request for information (see, to that effect, judgments of 4 June 2013, ZZ, C‑300/11, EU:C:2013:363, paragraph 53, and of 23 October 2014, Unitrading, C‑437/13, EU:C:2014:2318, paragraph 20).
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