Questione giuridica chiave
Whether the constitutional complaint for inter-cantonal double taxation was admissible despite the appellant's reasoning.
Decisione estratta
The complaint lacked the specific and sufficiently reasoned constitutional argument required by Art. 90(1)(b) OG and was therefore inadmissible.
Motivazione estratta
The Court reviews only clearly and expressly raised and adequately substantiated grievances. The filing did not show how Graubünden, as a pure real-estate canton, had exceeded its taxing power; objections about deductions and procedural handling had to be pursued by ordinary remedies. The supplementary filing also failed to explain any overreach by Zurich.