Questione giuridica chiave
Whether the appeal was admissible despite non-payment of the court fee advance within the extended deadline.
Decisione estratta
No. Because the advance of costs was not paid within the time limit, the appeal had to be declared inadmissible.
Motivazione estratta
Under the Federal Supreme Court Act, failure to pay the advance within the prescribed or extended period leads to inadmissibility; costs are charged to the appellant.