Questione giuridica chiave
Whether the appeal could be entertained despite non-payment of the advance on costs within the set deadline.
Decisione estratta
The appeal could not be considered because the advance on costs was not paid within the extended deadline.
Motivazione estratta
Under Art. 62(3) BGG, failure to pay the requested advance costs after a grace period allows non-entry in simplified procedure under Art. 108(1)(a) BGG.