Is there a legally mandated filing fee and/or deposit in the last instance?

Constitution of March 18, 2005 /

Constitut ion de la République du Burundi

Art. 231 (2) : The decisions of the Constitutional Court are not subject to appeal.

(? Les d?cisions de la Cour Constitutionnelle ne sont susceptibles d’aucun recours. ?)

 Link : http://www.ceniburundi.bi/IMG/pdf/constitution_bdi_francais-2.pdf