49In the third place, while it is true that the Court has already accepted that the derived right of residence flowing from Article 20 TFEU is not absolute and that the Member States may refuse to grant it in certain specific circumstances, the fact remains that it has also held that Article 20 TFEU does not allow Member States to introduce an exception to the derived right of residence enshrined in that article which is linked to a requirement that the Union citizen have sufficient resources. To refuse a third-country national who is a family member of a Union citizen a derived right of residence in the territory of the Member State of which that citizen is a national on the sole ground that the latter does not have sufficient resources, even though there is, between that citizen and that third-country national, a relationship of dependency as described in paragraph 46 of the present judgment, would constitute an impairment of the effective enjoyment of the essential rights deriving from the status of Union citizen which would be disproportionate in relation to the objective pursued by such a means test, namely to preserve the public finances of the Member State concerned (judgment of 27 February 2020, Subdelegación del Gobierno en Ciudad Real (Spouse of a Union citizen), C‑836/18, EU:C:2020:119, paragraphs 44 and 46 to 48).
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