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Signature requirements for ballot measures in South Dakota

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This page provides an overview of signature requirements for statewide citizen-initiated measures in South Dakota. In South Dakota, citizens can initiate three types of ballot measures—constitutional amendments, state statutes, and veto referendums.

Signature requirements

In South Dakota, the number of signatures needed to place a measure on the ballot is based on the total number of votes cast for the governor in the preceding election.

The following are the requirements for the types of citizen-initiated measures in South Dakota:

The chart below shows election years and the signature requirement for initiatives designed to appear on the ballot in that year, with gubernatorial election years bolded.

Year Constitutional Amendment Statute Veto referendum
2026 35,017 17,508 17,508
2024 35,017 17,508 17,508
2022 33,921 16,961 16,961
2020 33,921 16,961 16,961
2018 27,741 13,871 13,871
2016 27,741 13,871 13,871
2014 31,708 15,854 15,854
2012 31,708 15,854 15,854
2010 33,551 16,776 16,776
2008 33,551 16,776 16,776

DocumentIcon.jpg See law: South Dakota Constitution, Article III, Section 1 & Article III, Section 1

Changes in number of signatures

The following graph illustrates the number of signatures required for initiated constitutional amendments (10 percent of the gubernatorial vote), initiated state statutes (5 percent of the gubernatorial vote), and veto referendums (5 percent of the gubernatorial vote) from 2008 through 2026.

Basis for calculation

In South Dakota, the number of signatures needed to place a measure on the ballot is based on the total number of votes cast for the governor in the preceding election. The following numbers of votes were cast for the office of governor in each year listed::[1]

Year Votes cast for governor
2022 350,166
2018 339,214
2014 277,403
2010 317,083

Signature filing deadlines

In South Dakota, citizen-initiated ballot measures often appear on general election (even-numbered years) ballots.

Signatures for initiated constitutional amendments and initiated state statutes must be filed by the first Tuesday in May of a general election year.

For veto referendums, the completed signature petitions must be submitted within 90 days after the legislative session in which the targeted law was approved adjourns.

The following are certification deadlines.

Year Deadline
2026 May 5, 2026
2024 May 7, 2024
2022 November 8, 2021 (ICA); May 3, 2022 (ISS)
2020 November 4, 2019
2018 November 6, 2017
2016 November 8, 2015
2014 November 4, 2013
2012 November 1, 2011 (ISS);
November 7, 2011 (ICA)
2010 April 6, 2010 (ISS);
November 2, 2009 (ICA)

Recall requirements

See also: Laws governing recall in South Dakota

Recall of local municipal elected officials is available in South Dakota, according to Sections 13(29) through 13(35) of Chapter 9 of South Dakota Codified Law (SDCL).

§9-13-30 says that in order to qualify a recall election for the ballot, "A petition signed by fifteen percent of the registered voters of the municipality [must be submitted], based upon the total number of registered voters at the last preceding general election."

See also

External links

Footnotes