Please find attached press release in respect of Case C-140/20 Commissioner of An Garda Síochána and others:
The Court confirms that EU law precludes the general and indiscriminate retention of traffic and location data relating to electronic communications for the purposes of combating serious crime
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The national court may not impose a temporal limitation on the effects of a declaration of invalidity of a national law that provides for such retention
You can read and download more details in the release below:
Source – EU Court of Justice