Questão jurídica principal
Whether the appeal must be entered into despite non-payment of the court-ordered cost advance within the additional deadline.
Decisão extraída
The appeal cannot be considered because the appellant failed to pay the required advance even after the extension.
Fundamentação extraída
Under Art. 62(3) BGG, failure to pay the advance within the set time leads to non-entry; the case was decided in simplified procedure under Art. 108(1)(a) BGG.