SDCL § 12-24A-7: Time and place of vote--Duty to vote.

At twelve p.m. central time on the day designated by Congress for the election of the president and vice president of the United States, the presidential electors shall meet at the seat of government of this state and perform the duties enjoined upon them by the Constitution and laws of the United States.

Except as provided in § 12-24A-8, each presidential elector shall vote for the candidates for the office of president and vice president of the United States whose slate of electors received the highest number of votes at the state's general election.