Question juridique clé
Whether the appeal against the lower court's ruling on active standing was admissible as an appeal against an interim decision
Solution extraite
The decision was a separately appealable interim decision under Art. 93 BGG, and the requirements for admissibility were met.
Motifs extraits
The challenged ruling only decided a preliminary issue and did not end the proceedings; however, an immediate reversal would end the case and avoid extensive evidence proceedings.