Question juridique clé
Whether the appeal could be entered despite non-payment of the advance on costs.
Solution extraite
No. Because the advance on costs was neither paid in cash nor duly proved as timely paid, the appeal had to be dismissed from the record.
Motifs extraits
After warning of non-entry under Art. 62(3) BGG, the appellant still did not comply within the non-extendable grace period; non-entry followed under Art. 108(1)(a) BGG.