Question juridique clé
Whether the constitutional complaint was admissible despite non-payment of the ordered advance costs within the extended deadline.
Solution extraite
No entry could be made on the complaint because the advance costs remained unpaid even after the grace period expired.
Motifs extraits
Under Art. 62(3) BGG and the summary procedure of Art. 108(1)(a) BGG, failure to pay the ordered advance costs within the prescribed time requires non-entry.