Question juridique clé
Whether Helvetia Nostra had standing to appeal
Solution extraite
Helvetia Nostra was entitled to appeal as an association authorized under nature and landscape protection law when the permit concerns a federal task.
Motifs extraits
The Court relied on its 22 May 2013 leading case: secondary-residence permits implement a federal task under Arts. 78 Cst. and 2 LPN, so standing exists under Art. 12 LPN.