SDCL § 12-6-4: Petition to place candidate's name on primary ballot--Time and place of filing.

Except as otherwise provided by § 12-5-4 and chapter 12-9, a candidate for nomination or election to any office, other than a presidential election, may not have the candidate's name printed on the official primary election ballot of the candidate's political party, unless a petition has been filed on the candidate's behalf after December thirty-first, but before five p.m. local time on the third Tuesday of March before the date of the primary election.

A nominating petition must be filed:

(1) With the secretary of state, for:

(a) A legislative or judicial office; and

(b) Any office to be voted on by the voters of more than one county; and

(2) With the auditor of the county in which the individual is a candidate, for all county offices.