Kernrechtsfrage
Whether the appeal is admissible despite non-payment of the required advance on costs.
Extrahierter Entscheid
The appeal is inadmissible because the required advance on costs was not paid within the deadlines granted.
Extrahierte Begründung
The court noted the initial deadline and the additional deadline under Art. 62 para. 3 LTF, and held that failure to pay the advance renders the appeal inadmissible.