Question juridique clé
Whether the complaint in public law matters was admissible despite immigration-law limits.
Solution extraite
The appeal was admissible because the appellant invoked a potential entitlement based on marriage to a Swiss citizen and on constitutional/Convention rights.
Motifs extraits
An immigration decision is not excluded under Art. 83 lit. c ch. 2 BGG when the appellant plausibly invokes an entitlement under federal law or international law; the existence of the entitlement is examined on the merits.