Is there a legally mandated filing fee and/or deposit?

Lawon the Election of the National Parliament Chapter VI Tabulation of Results p.15

Article 49 Appeals 

1. Appealsagainst the provisional tabulation of the national results published by CNEshall be filed within twenty-four hours of their posting with the plenary ofSTJ, which shall immediately notify the  interestedparties and make a decision within the same time limit.

http://www.eastimorlawjournal.org/East_Timor_National_Parliament_Laws/Law-2006-06.pdf