Question juridique clé
Whether the constitutional complaint is admissible after non-payment of the advance on costs within the extended deadline.
Solution extraite
The complaint was not entered into because the advance on costs was still unpaid after the grace period.
Motifs extraits
Under Art. 62(3) BGG, failure to pay the required advance on costs within the set additional time-limit results in non-entry under Art. 108(1)(a) BGG.