Nana Addo Dankwa Akufo-Addo, who is seeking the mandate of the 140,000 plus delegates of the New Patriotic Party as its presidential candidate for the 2016 election, has assured the rank and file of the party as well all well-meaning Ghanaians that the NPP will ensure that loopholes in Ghana�s electoral system are plugged before the conduct of the 2016 election.