▁vot er ▁a path y ▁as ▁one ▁of ▁reasons ▁for ▁this . ▁The ▁IE BC ▁begun ▁an ▁exercise ▁to ▁clean ▁up ▁the ▁vot ers ’ ▁roll ▁with ▁a ▁target ▁of ▁opening ▁it ▁for ▁ver ification ▁early ▁January ▁ 2 0 1 3 . ▁On ▁ 1 3 ▁January ▁ 2 0 1 3 ▁the ▁IE BC ▁opened ▁its ▁vot er ▁register ▁for ▁ins pection ; ▁vot ers ▁were ▁to ▁verify ▁their ▁details ▁before ▁ 2 6 ▁January ▁to ▁enable ▁the ▁commission ▁clean ▁the ▁register ▁ahead ▁of ▁the ▁poll . ▁The ▁options ▁include ▁visit ing ▁respective ▁registration ▁cent ers , ▁the ▁IE BC ▁website ▁or ▁the ▁use ▁of ▁mobile ▁phone ▁numbers ▁via ▁an ▁S MS ▁service ▁( using ▁National ▁Identity ▁Card ▁or ▁Pass port ▁numbers ▁used ▁during ▁registration ). ▁ ▁The ▁IE BC ▁announced ▁on ▁ 2 3 ▁February ▁ 2 0 1 3 ▁that ▁it ▁had ▁removed ▁ 2 0 , 0 0 0 ▁vot ers ▁who ▁had ▁registered ▁more ▁than ▁once ▁from ▁the ▁vot er ▁roll . ▁The ▁names ▁were ▁identified ▁during ▁continu ing ▁activities ▁to ▁clean ▁up ▁the ▁register . ▁ ▁Elect oral ▁system ▁The ▁ 2 0 1 0 ▁constitution ▁provided ▁for ▁a ▁two - round ▁system ▁for ▁president ial ▁elections , ▁the ▁president ▁having ▁previously ▁been ▁elected ▁on ▁a ▁first - p ast - the - post ▁basis . ▁In ▁order ▁to ▁win ▁in ▁the ▁first ▁round , ▁a ▁candidate ▁was ▁required ▁to ▁receive ▁over ▁ 5 0 % ▁of ▁the ▁vote , ▁as ▁well ▁as ▁ 2 5