50In accordance with settled case-law, the Member States’ obligation, arising from a directive, to achieve the result envisaged by that directive, and their duty under Article 4 TEU to take all appropriate measures, whether general or particular, to ensure fulfilment of that obligation, is binding on all the authorities of Member States including, for matters within their jurisdiction, the courts (see, in particular, judgment of 23 April 2009, Angelidaki and Others, C‑378/07 to C‑380/07, EU:C:2009:250, paragraph 106 and the case-law cited).
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