Questione giuridica chiave
Whether the federal appeal against the cantonal judgment on remand was admissible under Art. 93 BGG.
Decisione estratta
The judgment was a separately appealable interim decision, and a final decision could be achieved immediately if the appeal succeeded.
Motivazione estratta
If the proportional rule did not apply, the case would be finally decided and an extensive evidentiary inquiry on the building value would be avoided.