Requirement to issue reasoned decision
Trinidad and Tobago
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. (1) At the conclusion of the trial of arepresentation petition in respect of an appointment to the Senate, the Courtshall determine whether the person whose appointment was questioned was validlyappointed or not, and shall forthwith certify in writing the determination tothe President and to the President of the Senate.
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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 the relevantsections): http://www.ttparliament.org/legislations/a2006-06.pdf; http://www.ttparliament.org/legislations/a2007-12.pdf
DETERMINATION OF QUESTIONS AS TO ELECTION
32.- […]
2. The Court of Appeal shall have exclusivejurisdiction to hear and determine any question as to the validity of an electionof a President in so far as that question depends upon the qualification of anyperson for election or the interpretation of this Chapter, and the decision ofthat Court under this subsection shall be final.
3. Parliament may make provisions with respect to thepersons by whom, the manner in which and the conditions upon which theproceedings under subsection (2) may be instituted in the Court of Appeal andsubject to any provisions so made, provisions may be made with respect to thesematters by rules of court. Until such provisions or rules are made theprocedure for moving the Court of Appeal shall be by way of a representationpetition.