Questione giuridica chiave
Admissibility of the public-law appeal against refusal to renew a study residence permit
Decisione estratta
No public-law appeal lay because the applicant had no statutory or treaty-based right to the permit.
Motivazione estratta
Under Art. 83(c)(2) LTF, appeals in foreigner-law matters are inadmissible where no right to the permit exists under federal law or an international treaty.