Questione giuridica chiave
Whether the constitutional complaint was admissible after the appellant failed to pay the required cost advance within the final deadline.
Decisione estratta
The court did not enter into the complaint because the advance payment requirement was not met despite a final non-extendable deadline and warning of non-entry.
Motivazione estratta
Under Art. 62(3) BGG, in conjunction with Art. 117 and Art. 108(1)(a) BGG, non-payment of the ordered advance after expiry of the final deadline requires non-entry.