Questione giuridica chiave
Whether the recourse was admissible despite non-payment of the required advance of costs within the additional deadline.
Decisione estratta
No. Because the advance of costs was not paid within the additional deadline, the recourse had to be declared inadmissible.
Motivazione estratta
Under Art. 62(3) LTF, failure to pay the requested advance after warning leads to inadmissibility; the simplified procedure of Art. 108(1)(a) and (2) LTF applied.