Electoral system for the president
Chile
Constitution, 1980 (last amended in 2015)
Article 26
The President of the Republic will be elected by direct vote and by absolute majority of the votes validly cast. The election will be made in conjunction with that of the parliamentarians, in the manner determined by the respective constitutional organic law, the third Sunday of November of the year preceding that in which that who is in office must cease.
If more than two candidates present themselves to the election of the President of the Republic and none of them obtain more than half of the votes validly cast, there shall be a second vote that shall be restricted to the candidates who obtained the two highest relative majorities and, in it, the candidate that obtains the highest number of votes will result elected. This new vote will be held, in the manner prescribed by law, on the fourth Sunday following the first round. [...]
