Questione giuridica chiave
Whether the appeal against the cantonal remand decision was admissible under Art. 93 BGG.
Decisione estratta
The appellants did not show that the remand decision could cause irreparable harm or would immediately lead to a final decision saving extensive evidence-taking.
Motivazione estratta
A remand decision is an interlocutory decision; self-standing review is exceptional and must be specifically demonstrated. The appellants' general assertions about standing and costly evidence were insufficient.