Kernrechtsfrage
Whether the constitutional complaint is admissible despite non-payment of the advance costs within the extended deadline.
Extrahierter Entscheid
The complaint is not admissible and cannot be entered upon because the ordered advance costs were not paid even after the grace period.
Extrahierte Begründung
Under Art. 62(3) BGG and the summary procedure of Art. 108(1)(a) BGG, failure to pay the advance costs within the extended deadline requires non-entry.