Questione giuridica chiave
Whether the public-law appeal was admissible in light of subsidiarity and the federal-law complaints raised.
Decisione estratta
The appeal could not be used to review application of federal law; only constitutional arbitrariness review remained open.
Motivazione estratta
Arguments attacking federal-law interpretation were inadmissible because the public-law appeal is subsidiarily available only for issues not reviewable through ordinary federal remedies.