Question juridique clé
Whether the appeal should be entered into despite non-payment of the court costs advance within the deadline.
Solution extraite
No. Because the advance on costs was neither paid nor proven as timely debited within the granted non-extendable deadline, the appeal could not be considered.
Motifs extraits
Under Art. 62(3) BGG, failure to pay the ordered advance within the set deadline, after warning of non-entry, requires non-entry under Art. 108(1)(a) BGG, even if a later submission is filed.