Questão jurídica principal
Whether the administrative recourse by the federal office was admissible against the cantonal judgment.
Decisão extraída
The recourse was admissible because the federal office may challenge a cantonal final decision when it alleges unlawful granting of a residence right under federal law.
Fundamentação extraída
The exception to inadmissibility in foreigners law applies when the federal authority seeks uniform and correct application of federal public law.