Questione giuridica chiave
Whether the complaint against revocation of the settlement permit was admissible and the facts could be supplemented by new evidence.
Decisione estratta
The complaint was admissible in principle, but the newly submitted evidence was inadmissible as true novelties or late-filed material; the factual findings of the cantonal court remained binding.
Motivazione estratta
In the Federal Supreme Court, review is limited to the facts established below unless they are manifestly incorrect or unlawful. New evidence is only admissible if prompted by the lower-court decision, which was not the case here.