The Advocate General of the CJEU found that data retention requires strict rules
The full text of the Opinion in our Judykatura database shows an important development in the dispute over the limits of retaining telecommunications data. The Opinion of the Advocate General of the Court of Justice of the European Union, delivered on 3 September 2026, concerns Belgian rules allowing operators to retain traffic and location data for combating fraud, unlawful use of networks and threats to network security.
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