Iowa Code
Chapter 43 - PARTISAN NOMINATIONS — PRIMARY ELECTION
Section 43.6 - Nomination of U.S. senators, state and county officers.

43.6 Nomination of U.S. senators, state and county officers.
Candidates for the office of senator in the Congress of the United States, the offices listed in section 39.9, county supervisor, and the offices listed in section 39.17 shall be nominated in the year preceding the expiration of the term of office of the incumbent.
1. When a vacancy occurs in the office of senator in the Congress of the United States, secretary of state, auditor of state, treasurer of state, secretary of agriculture, or attorney general and section 69.13 requires that the vacancy be filled for the balance of the unexpired term at a general election, candidates for the office shall be nominated in the preceding primary election if the vacancy occurs eighty-nine or more days before the date of that primary election. If the vacancy occurs less than one hundred four days before the date of that primary election, the state commissioner shall accept nomination papers for that office only until 5:00 p.m. on the seventy-fourth day before the primary election, the provisions of section 43.11 notwithstanding. If the vacancy occurs later than eighty-nine days before the date of that primary election, but not less than eighty-one days before the date of the general election, the nominations shall be made in the manner prescribed by this chapter for filling vacancies in nominations for offices to be voted for at the general election.
2. When a vacancy occurs in the office of county supervisor or any of the offices listed in section 39.17 and more than seventy days remain in the term of office following the next general election, the office shall be filled for the balance of the unexpired term at that general election unless the vacancy has been filled by a special election called more than seventy-three days before the primary election. If the vacancy occurs more than seventy-three days before the primary election, political party candidates for that office at the next general election shall be nominated at the primary election. If an appointment to fill the vacancy in office is made eighty-eight or more days before the primary election and a petition requesting a special election has not been received within fourteen days after the appointment is made, candidates for the office shall be nominated at the primary election.
[R60, §674; C73, §26; C97, §30; S13, §1087-c; C24, 27, 31, 35, 39, §532; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §43.6]
89 Acts, ch 136, §3; 94 Acts, ch 1180, §2; 97 Acts, ch 170, §2; 2007 Acts, ch 59, §2, 19; 2017 Acts, ch 110, §65
Vacancies filled, §69.8(1, 2, 3, 4)

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