Questione giuridica chiave
Whether the appeal against the opposition decision remained pending after the authority's reconsideration and annulment of that decision.
Decisione estratta
The appeal had become moot because the challenged opposition decision was fully withdrawn by the authority's reconsideration.
Motivazione estratta
Under Art. 53(3) LPGA and Art. 83 LPA-VD, the authority could reconsider the contested decision before sending its response. Since it annulled the sanction and fully granted the appellant's conclusions, there was no longer a live dispute.