 Candidates with the fewest votes are eliminated and their votes redistributed until one remaining candidate has more than half of valid votes.Elections are held at the beginning of a parliament or in the event of a vacancy.Chief Administrative Officer of the United States House of Representatives

Chief Administrative Officer of the United States House of Representatives (CAO) is the chief administrative officer of the United States House of Representatives, charged with carrying out administrative functions for the House, including human resources, information resources, payroll, finance, procurement, and other business services.