Question juridique clé
Whether the appellants were entitled to challenge the cantonal non-entry decision before the Federal Supreme Court
Solution extraite
The appeal was inadmissible because the appellants lacked standing and no enforceable right to the requested permit was shown.
Motifs extraits
The adult son could not rely on the rule for minor children, and no special dependency relationship under family-life protection was demonstrated. Newly alleged facts about the father's invalidity were inadmissible as novelties and, in any event, did not establish a right.