Last instance body dealing with electoral disputes

Representation of the People Act Chapter 2:01(published 1967-12-21, last amended 2000-09-12), http://rgd.legalaffairs.gov.tt/laws2/alphabetical_list/lawspdfs2/2.01.pdf

118. […]

(3) The certified determination of a representation petitionby the High Court shall, unless varied by the Court of Appeal, be final to allintents and purposes.

[…]

The Constitution of the Republic of Trinidad andTobago (Published 1976-03-29, last amended 2007-06-12), http://www.ag.gov.tt/Portals/0/Documents/TT%20Constitution.pdf

Subsequent amendments (do not change therelevant sections): http://www.ttparliament.org/legislations/a2006-06.pdf; http://www.ttparliament.org/legislations/a2007-12.pdf

DETERMINATION OF QUESTIONS AS TO MEMBERSHIP

52.- 1.any question whether:-

a. any person has been validly appointed as a Senatoror validly elected as a member of the House of Representatives;

b. any Senator or member of the House ofRepresentatives has vacated his seat or is required, under the provisions ofsection 43(3) or section 49(3) to cease to exercise any of his functions as aSenator or as a member of the House of Representatives; or

c. any person has been validly elected as Speaker ofthe House of Representatives from among persons who are not Senators or membersof the House of Representatives,

-shall be determined by the High Court.

2. Proceedings for the determination of any questionreferred to in subsection (1) shall not be instituted except with the leave ofa Judge of the High Court.

3. An appeal shall lie to the Court of Appeal from-

a. the decision of a Judge of the High Court grantingor refusing leave to institute proceedings for the determination of anyquestion referred to in subsection (1);

b. the determination by the High Court of any suchquestion.