The Court held that it is not contrary to EU law for Member States to withdraw citizenship obtained by deception, even if the effect is to also withdraw citizenship of the Union, so long as the decision observes the principle of proportionality.
Germany’s highest administrative court decides on a case in which stateless minors (the applicants) were granted German nationality. The applicants’ parents applied for their nationality using false information, namely that the family would originate from Lebanon instead of Turkey. The Court held that the withdrawal of nationality is only valid if done promptly, i.e. within a maximum of five years after the nationality has been granted.