Question juridique clé
Whether the complaint could be entertained despite non-payment of the advance costs within the deadline
Solution extraite
No. The complaint was not admitted because the appellant did not pay the advance costs in time and did not prove timely payment by account debit confirmation.
Motifs extraits
After a warning under Art. 62(3) BGG and a non-extendable grace period, the appellant neither paid cash nor at a post office counter nor provided the required debit confirmation. Under Art. 108(1)(a) BGG, non-entry followed.