Questão jurídica principal
Whether the appeal in public law matters is admissible despite the immigration matter.
Decisão extraída
The appeal is admissible in principle because the appellants plausibly alleged a potential entitlement to a residence permit.
Fundamentação extraída
A sufficiently plausible claim to a permit under Art. 42 or Art. 50 AuG is enough for standing; the merits are decided separately.