58It follows that a national court may take the view that the personal data of the parties or of third parties must be communicated to it in order to be able to balance, in full knowledge of the facts and in compliance with the principle of proportionality, the interests involved. That assessment may, depending on the case, lead it to authorise the full or partial disclosure to the opposing party of the personal data thus communicated to it, if it finds that such disclosure does not go beyond what is necessary for the purpose of guaranteeing the effective enjoyment of the rights which individuals derive from Article 47 of the Charter.
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