Question juridique clé
Whether the appeal was admissible despite non-payment of the required advance on costs.
Solution extraite
The appeal was inadmissible because the appellant failed to pay the requested advance within the deadlines granted.
Motifs extraits
After the initial deadline and an additional deadline under Art. 62(3) LTF, the advance remained unpaid; under Art. 108(1)(a) LTF the court could not enter into the appeal.