Question juridique clé
Whether the appeal is admissible despite non-payment of the ordered advance of costs.
Solution extraite
The appeal is inadmissible because the required advance of costs was not paid within the deadlines set.
Motifs extraits
After an initial order and an extension under Art. 62 para. 3 LTF, the appellant still did not pay the advance; under Art. 62 para. 3 LTF and Art. 108 para. 1 lit. a LTF, the appeal cannot be entered into.