Kernrechtsfrage
Whether the Canton of Aargau had standing to appeal the non-entry decision concerning the airport operating concession.
Extrahierter Entscheid
Yes. As addressee of the non-entry decision, the canton could challenge it before the Federal Court.
Extrahierte Begründung
Under the special rule for airport operating concessions, the canton was directly affected by the procedural decision and could seek judicial review.