Questione giuridica chiave
Whether the federal appeal against the cantonal interlocutory decision was admissible despite no showing of irreparable prejudice.
Decisione estratta
The appellant did not demonstrate a legal irreparable prejudice caused by the refusal of evidence, so the appeal was inadmissible.
Motivazione estratta
A refusal of evidence can normally be challenged later against the final decision. The appellant alleged only economic consequences, which are insufficient.