Last instance body dealing with electoral disputes

Tonga

Answer

Court of general jurisdiction (including Supreme Court)

Source

Electoral Act 1989 (withappropriate reference to Electoral Amendment Act 2010), PART V - ELECTIONPETITIONS, 25, p. 17

(2) A petitioncomplaining of no declaration shall be deemed to be an election petition, andthe Supreme Court may make such order thereon as the Court thinks expedient forcompelling a declaration to be made or may allow the petition to be heard asprovided with respect to ordinary election petitions.

http://legislation.to/Tonga/DATA/PRIN/1989-022/ElectoralAct1989.pdf

http://tongaelections.com/images/stories/TECdocuments/ENG/ElectoralAct/electoralamendmentact2010.pdf