The eligibility of a person for voting is set out during the Structure and regulated at state amount. The fifteenth, 19th and 26th Amendments into the Structure condition that suffrage cannot be denied on grounds of race or coloration, intercourse, or age for citizens eighteen a long time or older, respectively.

The nomination method, consisting of the main elections and caucuses as well as the nominating conventions, was not specified in the Constitution, but was produced with time with the states and political events. These Principal elections are normally held amongst January and June ahead of the overall election click here in November, even though the nominating conventions are held in the summer. Even though not codified by law, political events also adhere to an indirect election process, where by voters during the fifty states, Washington, D.C., and U.S. territories, Forged ballots for the slate of delegates into a political get together's nominating convention, who then elect their party's presidential nominee.