Electoral system for the president

Public Official Election Act (Act No. 13334, June. 19 2015)

Article 187
Decision on, Public Announcement and Notification of Elected Persons for Presidency

187.1 In the presidential election, the National Election Commission shall decide the candidate who has obtained a majority of the valid votes as the elected person, and notify the Speaker of the National Assembly thereof: Provided, That where there is only one candidate, he/she shall be decided as the elected person only when he/she obtains votes from a third or more of the total electors.

187.2 Where two or more persons have obtained the largest votes, the National Assembly, upon receiving the notification of the National Election Commission, shall decide the candidate who has obtained a majority of votes at an open meeting at the National Assembly with at least half the total members present as the elected person.