Is there a legally mandated filing fee and/or deposit?
Timor-Leste
Law on the Election of the President of the Republic
Article 66
Exemptions
Documents requiredfor presentation of candidacies, notary certifications on documents forelectoral purposes, and complaints or appeals referred to in the present law,shall be exempt of any charges and fees or costs.
http://www.eastimorlawjournal.org/East_Timor_National_Parliament_Laws/Law-2006-07.pdf