Questão jurídica principal
Whether the appeal could be entered into despite non-payment of the required advance on costs.
Decisão extraída
The appeal could not be entertained because the advance on costs was not paid within the original deadline or the subsequent grace period.
Fundamentação extraída
The advance-cost order and the grace-period order were deemed served under Art. 44(2) BGG. Non-payment triggered non-entry under Art. 62(3) BGG.