Questione giuridica chiave
Whether the public-law appeal was admissible insofar as it sought referral back to the cantonal court
Decisione estratta
The appeal was only admissible as a request for annulment; the referral request was inadmissible because the remedy is purely cassatory.
Motivazione estratta
A public-law appeal is, save exceptions not present here, limited to annulment.