Questão jurídica principal
Whether the appeal could be entered into despite non-payment of the advance costs within the time limit.
Decisão extraída
No entry could be made because the advance costs were not paid even within the grace period.
Fundamentação extraída
Under Art. 62(3) BGG, failure to pay the required advance costs after a formal extension justifies non-entry in simplified procedure under Art. 108(1)(a) and (2) BGG.