Electoral system for the president

Basic Law: The President of the State (1964)

Article 8
Election by majority of voters

The candidate who has received the votes of a majority of the Members of the Knesset is elected. If no candidate receives such a majority, a second ballot shall be held. If there is no majority as aforesaid at the second ballot, either, voting shall be continued. At the third and every subsequent ballot, the candidate who at the preceding ballot received the smallest number of votes shall no longer stand for election. The candidate who at the third or any subsequent ballot receives a majority of the votes of the Members of the Knesset who take part in the voting and vote for one of the candidates is elected. If two candidates receive the same number of votes, voting shall be repeated.