Questione giuridica chiave
Whether the appeal remained admissible after the cantonal tax administration withdrew its own federal appeal and the remand decision was challenged.
Decisione estratta
The remand judgment was treated as a final decision because the lower authority had no remaining discretion beyond arithmetical implementation.
Motivazione estratta
A remand decision is treated like a final decision when it leaves the lower authority no room for judgment and only requires calculation or implementation of what was ordered.