Some states require a presidential candidate on the ballot for a party to receive major - party status. (gp.org)
This year there is an independent candidate on the ballot in the 2nd, 3rd, 4th, and 6th districts. (thirdpartypolitics.us)
Under AV, voters rank candidates on the ballot paper in order of preference so that the winning candidate has the legitimacy of more than 50 % of the vote. (theguardian.com)