The formal qualifications to become President of the United States of America state that a candidate must be 35 years of age or older, a resident of the U.S. for at least 14 years and a natural-born citizen. These eligibility requirements are provided in the Constitution.
The U.S. President is the head of the executive branch of the federal government and serves as commander-in-chief of the U.S. Armed Forces. The President's official duties include appointing federal executive, diplomatic, regulatory and judicial officers and forming international treaties. The President has vested powers to grant pardons and reprieves and veto congressional bills. Under certain circumstances, the President can convene and adjourn the Congress.