Questione giuridica chiave
Whether the appeal in public law matters was admissible against the non-renewal of the residence permit.
Decisione estratta
The appeal was inadmissible because the permit had already expired and no enforceable right to renewal was shown.
Motivazione estratta
For expired permits, federal review is available only if a legal entitlement to renewal exists. The appellant failed to substantiate any such entitlement.