29According to settled case-law of the Court, any pecuniary charge, however small and whatever its designation and mode of application, which is imposed unilaterally on goods by reason of the fact that they cross a frontier, and which is not a customs duty in the strict sense, constitutes a charge having equivalent effect to a customs duty. By contrast, pecuniary charges resulting from a general system of internal taxation applied systematically, in accordance with the same objective criteria, to categories of products irrespective of their origin or destination fall within Article 110 TFEU, which prohibits discriminatory internal taxation (judgment of 14 June 2018, Lubrizol France, C‑39/17, EU:C:2018:438, paragraph 24 and the case-law cited).
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