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

Republic of The Congo (Brazzaville)
Answer
No
Source
Law n? 9-001 of December 10, 2001 on the electoral law, with thesubsequent amendments / Loi n? 9-001 du 10 d?cembre 2001 portant loi ?lectoralemodifi?e
Art. 113 (2): The petition is exemptfrom any registration or stamp fees.
(? Larequ?te (…) est dispens?e de tout frais de timbre et d’enregistrement ?)