78It is sufficient to note in that regard that it is settled case-law that the provisions of directives must be implemented with unquestionable binding force, and the specificity, precision and clarity necessary to satisfy the requirements of legal certainty (see, inter alia, judgment of 19 December 2013 in Commission v Poland, C‑281/11, EU:C:2013:855, paragraph 101 and the case-law cited).
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