Questione giuridica chiave
Whether the appeal was admissible despite non-payment of the requested cost advance.
Decisione estratta
The appeal was inadmissible because the appellant did not pay the required advance of costs within the deadlines granted.
Motivazione estratta
After the initial order and a further deadline under Art. 62(3) LTF, the advance remained unpaid; under Art. 62(3) LTF the appeal is inadmissible for this reason, and Art. 108(1)(a) LTF permits summary non-entry.