Questão jurídica principal
Whether the appeal had to be entered into despite non-payment of the cost advance within the extended time limit.
Decisão extraída
The appeal could not be entered into because the cost advance was not paid even after the grace period expired.
Fundamentação extraída
Under Art. 62(3) BGG, failure to pay the cost advance after a warning leads, in simplified procedure under Art. 108(1)(a) BGG, to non-entry.