17It is appropriate to observe, first of all, that whilst, as the French Government submits, it is clear from the Court's case-law that legislative action on the part of each Member State is not necessarily required in order to implement a directive, the Court has held that such can only be the case if the national law in question effectively guarantees the application in full of the directive concerned, if the legal position under national law is sufficiently precise and clear, and if individuals are made fully aware of their rights and, where appropriate, may rely on them before the national courts (see, in particular, Case C-144/99 Commission v Netherlands [2001] ECR I-3541, paragraph 17).
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