The executive power in the government is vested in the President of the United Commonwealths. The President, does not have a running mate, but instead appoints the Prime Minister who is head of the National Assembly. The party's own rules and principles delegate on how their official candidate for president is chosen. The President may serve three four-year terms, after that time has been fulfilled they may not run for presidency again. The President is the only member of the Executive Branch, as the Prime Minister is part of the Legislative Brach of the government;