Presidential candidates must meet certain requirements: not younger than 35 years old, a US citizen by birth, residence in the United States over the last 14 years.

The procedure of presidential elections in the United States two-stage.At the first stage the citizens elect an electoral college which, in fact, decide by voting which of the candidates will take the highest post of the state.The number of electors from each state corresponds to the number of its representatives in Congress.The more staff, the wider it is represented in the Congress and, accordingly, the greater the electoral advances in the College.

political parties as a result of intra-party ballot nominations for two posts - the president and vice president.Then, create a list of electors - usu
ally party activists, to which the law imposes the following requirements: they should not work in the executive branch and can not perform the duties associated with the distribution of funds.Electors shall undertake to vote for candidates nominated by the party.Citizens vote for the lists submitted by the parties, on the first Tuesday of November.

40 days after his election, the Electoral College chooses the president.Electoral votes in their state capitals.To win, a candidate must receive 50% plus one vote.If none of the candidates obtained an absolute majority, it is the turn of the House of Representatives.Congressmen must choose one of the three candidates with the highest number of votes, according to the principle "one state - one vote".

If the choice was not able to make the House of Representatives, while the Senate vote.Senators make the choice of the two candidates with the most votes.Winner determined by simple majority.In the history of the United States only twice president chose the House of Representatives: in 1800 and 1824.