Questione giuridica chiave
Whether the federal appeal was admissible despite non-payment of the court-ordered advance on costs
Decisione estratta
No. Because the advance was neither paid nor credited within the time limit, the appeal had to be declared inadmissible.
Motivazione estratta
Under Art. 62 al. 3 LTF in conjunction with Art. 48 al. 4 LTF, failure to pay the advance within the fixed deadline requires a finding of inadmissibility.