56However, where Member States adopt measures by which they implement EU law, they are required to respect the general principles of EU law, which include the principle of proportionality (see, to that effect, judgment of 11 July 2019, Agrenergy and Fusignano Due, C‑180/18, C‑286/18 and C‑287/18, EU:C:2019:605, paragraph 28). It is therefore for the referring court to assess the compatibility of the measure at issue in the main proceedings with that principle while taking into account the assessments, set out in paragraphs 110 to 122 of the present judgment, regarding compliance with the principle of proportionality in the context of the interpretation of Articles 34 and 36 TFEU.
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