60To fulfil that obligation, the principle of interpretation in conformity with EU law requires the national authorities to do everything within their power, taking the whole body of domestic law into consideration and applying the interpretative methods recognised by domestic law, with a view to ensuring that EU law is fully effective and achieving an outcome consistent with the objective pursued by it (see, to that effect, judgments of 5 October 2004, Pfeiffer and Others, C‑397/01 to C‑403/01, EU:C:2004:584, paragraph 117, and of 8 May 2019, Praxair MRC, C‑486/18, EU:C:2019:379, paragraph 37 and the case-law cited).
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