Judgment_paragraph 40 · X v Udlændinge- og Integrationsministeriet (C-689/21)

40It follows that, in a situation such as that at issue in the main proceedings, in which the loss of the nationality of a Member State arises by operation of law at a given age and entails the loss of citizenship of the Union, the competent national authorities and courts must be in a position to examine the consequences of the loss of that nationality and, where appropriate, to enable that person to retain his or her nationality or to recover it ex tunc (see, to that effect, judgment of 12 March 2019, Tjebbes and Others, C‑221/17, EU:C:2019:189, paragraph 42).