Question juridique clé
Whether the complaint against non-renewal of the residence permit was admissible under Art. 50 AuG.
Solution extraite
The challenge to the refusal of permit renewal was admissible because X. invoked a possible statutory entitlement under Art. 50(1)(b) AuG.
Motifs extraits
The existence of the entitlement goes to the merits, not to admissibility.