But Tariq al-Hashimi , the country 's Sunni Arab vice president , who vetoed the original election bill last week , continues to threaten to veto this revised measure , and Mahdi and Talabani are trying to persuade him to sign the document . Laws passed by Iraqi parliament must be approved by president and his vice presidents . One VP , Sunni Hassan al - Hashimi , holding off on signing new election law . Al - Hashimi rejected previous version of bill last year , because it left out Iraqi refugees . Iraq 's president and other VP trying to persuade al - Hashimi to sign the bill .
Laws passed by Iraqi parliament must be approved by president and his vice presidents . One VP , Sunni Hassan al - Hashimi , holding off on signing new election law . Al - Hashimi rejected previous version of bill last year , because it left out Iraqi refugees . Iraq 's president and other VP trying to persuade al - Hashimi to sign the bill .