Question juridique clé
Whether the public-law appeal was admissible despite non-payment of the court-cost advance within the extended deadline.
Solution extraite
The appeal was inadmissible because the advance of costs was not paid within the additional time limit.
Motifs extraits
Under Art. 62 para. 3 LTF, failure to pay the advance within the additional deadline leads to inadmissibility; because this was manifest, the Federal Supreme Court decided in simplified procedure.