Question juridique clé
Whether the appeal in public law matters was admissible based on Art. 50 AuG.
Solution extraite
The appeal was admissible only insofar as the appellant plausibly relied on Art. 50 AuG; otherwise only subsidiary constitutional complaint was available.
Motifs extraits
Art. 50 AuG can found a right to renewal after dissolution of the family union, whereas Art. 30(1)(b) AuG is a discretionary hardship exception without a claim.