(from the March 10, 2025 Ballotpedia article “South Dakota voters to decide on citizenship voting requirement amendment in 2026 after eight states approved similar measures in 2024”)
In South Dakota, a simple majority vote is required during one legislative session to place a constitutional amendment on the ballot. On Jan. 16, Senate Joint Resolution 503 (SJR 503) was introduced to the South Dakota Senate. The state Senate approved SJR 503 by a vote of 33-2 on Feb. 3. All 32 Republicans and one Democrat voted in favor of the resolution, and two Democrats opposed it. On March 6, the state House approved the amendment sending it to the ballot by a vote of 58-11. One Democrat joined the Republican majority in approving the measure, while six Republicans joined the Democratic minority in opposing the amendment.
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