Questione giuridica chiave
Whether the appeal was admissible despite non-payment of the required cost advance.
Decisione estratta
The appeal was inadmissible because the appellant did not pay the advance of costs within the final deadline.
Motivazione estratta
Under Art. 62(3) LTF, failure to pay the requested advance after warning leads to inadmissibility; the simplified procedure of Art. 108(1)(a) and (2) LTF applied.