29As regards the circumstances in which access to traffic and location data retained by providers of electronic communications services may, for the purposes of the prevention, investigation, detection and prosecution of criminal offences, be granted to public authorities, pursuant to a measure adopted under Article 15(1) of Directive 2002/58, the Court has held that such access may be granted only in so far as those data have been retained by a provider in a manner that is consistent with Article 15(1) (see, to that effect, judgment of 6 October 2020, La Quadrature du Net and Others, C‑511/18, C‑512/18 and C‑520/18, EU:C:2020:791, paragraph 167).
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