The Constitution outlaws political parties from nominating specific candidates to run for elective office in order to make sure all citizens have an equal opportunity to serve in government. is almost completely silent on the rules regarding how political parties must go about selecting a candidate to run for any elective office. gives the authority to nominate candidates for all elective offices to 527 committees. clearly spells out a number of rules regarding how political parties must go about selecting a candidate to run for each elective office at the federal level but not at the state level. clearly spells out a number of rules regarding how political parties must go about selecting a candidate to run for each elective office at the state level but not at the federal level.