Kernrechtsfrage
Whether the administrative law appeal against the cantonal judgment was admissible
Extrahierter Entscheid
The appeal was manifestly inadmissible because the appellants had no enforceable right under federal law or treaty to renewal of a residence permit.
Extrahierte Begründung
No specific federal provision or international treaty granted a right to renewal; Article 8 ECHR could not be relied on for adult children without assured residence status in Switzerland.