Question juridique clé
Whether the appeal must be entertained despite failure to pay the court-ordered advance costs within the grace period.
Solution extraite
No. Because the advance costs were not paid within the extended deadline, the appeal could not be considered.
Motifs extraits
Under Art. 62(3) BGG, non-payment of the advance costs after a set grace period permits non-entry. The case was decided in simplified procedure under Art. 108(1)(a) and (2) BGG.