Questione giuridica chiave
Whether the federal appeal was admissible despite non-payment of the advance on costs.
Decisione estratta
No. Because the appellant failed to pay the required advance within the additional deadline, the appeal was inadmissible.
Motivazione estratta
Under Art. 62 paras. 1 and 3 LTF, failure to pay the advance within the second deadline leads to inadmissibility; the simplified procedure of Art. 108 para. 1 let. a LTF applied.