Question juridique clé
Whether the constitutional complaint could be entered into despite non-payment of the ordered cost advance within the time limit.
Solution extraite
No; the complaint could not be considered because the cost advance was not paid even after the additional deadline.
Motifs extraits
Under Art. 62(3) BGG and the summary procedure of Art. 108(1)(a) BGG, failure to pay the required advance within the extended deadline leads to non-entry.