29As regards the question whether national legislation falls within the scope of one or other of the freedoms of movement, according to well established case-law, it is the purpose of the legislation concerned that must be taken into consideration (see Case C157/05 Holböck [2007] ECR I‑4051, paragraph 22, and Case C-182/08 Glaxo Wellcome [2009] ECR I-8591, paragraph 36).
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