Questione giuridica chiave
Whether the complaint could be admitted despite failure to pay the required advance on costs within the extended deadline.
Decisione estratta
No. The deadline for payment was missed and the complaint therefore could not be entertained.
Motivazione estratta
Under Art. 62 para. 3 BGG and the simplified procedure of Art. 108 para. 1 lit. a and para. 2 BGG, non-payment of the advance after warning leads to non-entry.