Questione giuridica chiave
Whether the civil-law appeal was admissible despite non-payment of the advance on costs.
Decisione estratta
The appeal could not be entered into because the appellant did not pay the advance within the prescribed time and did not timely prove payment.
Motivazione estratta
Under Art. 62 al. 3 LTF, failure to pay the required advance within the deadline leads to non-entry; the proof requirement of Art. 48 al. 4 LTF was also not satisfied.