Question juridique clé
Whether the non-extendable deadline for payment of the court advance could be extended
Solution extraite
The request for an extension was rejected because the grace period was expressly non-extendable and no exceptional unforeseeable impediment was shown.
Motifs extraits
The son was not authorized to represent the appellant before the Federal Supreme Court in criminal matters, and the appellants had received the first order in person before leaving Switzerland, so they could have arranged payment in time.