41Moreover, it is settled case-law that, in exercising their power to organise their social security systems, Member States must comply with EU law and, in particular, the provisions of the FEU Treaty giving every citizen of the European Union the right to move and reside within the territory of the Member States (judgment of 7 December 2017, Zaniewicz-Dybeck, C‑189/16, EU:C:2017:946, paragraph 40 and the case-law cited).
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