Question juridique clé
Whether the Federal Office lawfully annulled the facilitated naturalization under Art. 41 BüG.
Solution extraite
The annulment was lawful because the appellant had obtained naturalization by concealing that the marital union was not stable and by misleading the authorities.
Motifs extraits
The temporal sequence and surrounding circumstances supported the inference that the marriage was not genuinely stable at the relevant time, and the appellant did not rebut the factual presumption.