Questione giuridica chiave
Whether the appeal should be entered into despite non-payment of the advance on costs.
Decisione estratta
No. Because the advance on costs was not paid within the deadlines, the appeal was inadmissible.
Motivazione estratta
Under Art. 62(3) BGG and the simplified procedure of Art. 108(1)(a) BGG, failure to pay the required advance leads to non-entry.