Key legal question
Whether the settlement permit was lawfully revoked for concealing essential facts in the permit process.
Extracted holding
Yes. X. concealed material facts about a sham marriage, so the revocation ground was met.
Extracted reasoning
The courts relied on a comprehensive set of indicia showing an Ausländerrechtsehe; X. had a duty of truthful disclosure under Art. 90 AuG, and the concealed facts were decisive for the permit grant.