Question juridique clé
Whether the appeal had to be entered into despite non-payment of the advance on costs.
Solution extraite
The court would not enter into the appeal because the advance on costs was not paid within the prescribed period and grace period.
Motifs extraits
Under Art. 62 BGG, the appellant must pay an advance on costs; if it is not paid even within the grace period, the Federal Supreme Court will not enter into the filing.