The People's National Party (PNP) says everything is in place for Sunday's special selection conference in the St Andrew South West constituency.
PNP councillors Audrey Smith-Facey and Angela Brown-Burke are seeking to replace former Member of Parliament Portia Simpson Miller.
PNP General Secretary Julian Robinson says the selection process is being managed by the party secretariat and has sought to assurance that all systems are in place for the vote.
A total of 1,927 delegates are eligible to vote.
PNP president Dr Peter Phillips has appealed to supporters to ensure that the selection process is peaceful and fair.