Key legal question
Whether the appeal could be entered into despite non-payment of the court advance.
Extracted holding
No. The appellant failed to pay the advance within the non-extendable additional deadline and also failed to provide proof of timely payment by bank or postal debit.
Extracted reasoning
After a warning under Art. 62(3) BGG, non-payment of the advance within the deadline required non-entry under Art. 108(1)(a) BGG.