Presidential and Vice Presidential Election and Recall Act Article 63

The pair of candidates that receives the most votes shall be elected; if two or more pairs of candidates receive the same number of votes, a new vote shall be held within thirty days from the polling day.If there is only one pair of candidates, they shall only be elected if they receive the votes of not less than 20% of the total number of voters. If said pair fails to be elected, the new vote shall be completed within three months from election day.If a presidential candidate elected in accordance with the provisions of the preceding two paragraphs dies before public notice of the list of electees is issued, the Central Election Commission shall announce the vice president-elect as the president-elect, and the office of the vice president shall be deemed to be vacant.