Questione giuridica chiave
Whether the appeal is admissible despite non-payment of the court-ordered advance on costs within the extended deadline.
Decisione estratta
The appeal is inadmissible because the appellant did not pay the advance on costs within the supplementary deadline.
Motivazione estratta
Under simplified procedure, failure to pay the advance on costs after warning results in inadmissibility under Art. 62(3) LTF.