32First, as is clear from the very wording of Article 7(1) of Directive 2003/88, a provision from which no derogation is permitted by that directive, every worker is entitled to paid annual leave of at least four weeks. That right to paid annual leave must be regarded as a particularly important principle of EU social law, the implementation of which by the competent national authorities must be confined within the limits expressly laid down by Directive 2003/88 itself (judgment of 30 June 2016, Sobczyszyn, C‑178/15, EU:C:2016:502, paragraph 19 and the case-law cited).
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