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Read. Follow. Verify.Missouri House Bill 2380 Establishes Protected Party-Affiliation Rules for Primary Elections
Last action · February 12, 2026: Referred: Elections(H)Sponsor: John Simmons
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What This Bill Would Do
House Bill 2380 requires voters to be affiliated with an at least twenty-three weeks before a primary election in order to participate in that party's primary ballot. The measure mandates that local election authorities implement this protected primary system by January 1, 2028, while allowing parties to exempt themselves by conducting self-funded caucuses.
Registered voters must lock in their party affiliation well in advance of primary contests or receive only nonpartisan and ballot-measure options, shifting how closed primary participation operates across the state.
Who It Would Affect
Groups the bill's text would affect if enacted, as described in the record. Being affected is not a position for or against it.
Registered voters
Registered voters must meet party affiliation deadlines twenty-three weeks prior to primaries to participate in party nominating contests.
Local election authorities
Local election authorities must update voter registration records, manage primary ballot distribution according to party lists, and implement protected primary systems.
Political parties
Political parties are subject to protected primary rules unless they formally exempt themselves to conduct self-funded caucuses.
Secretary of State
The secretary of state must maintain voter registration records, distribute voter affiliation lists to local authorities, and enforce the protected primary system.
Key Facts
You don't have to trust us. Each fact below is taken straight from the official document - click any one to see the exact passage, highlighted in the original.
Frequently Asked Questions
How early do I need to be affiliated with a political party to vote in its primary?
What kind of ballot do unaffiliated voters receive during a primary election?
Can a political party choose not to participate in the protected primary system?
What else do you want to know?
News Coverage
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Votes, people, money & the original sourceWhere This Stands
Currently in committee. The next step in the legislative lifecycle is Floor Vote.
Procedural history
4 actions- Feb 12, 2026HouseCommitteeReferred: Elections(H)
- Jan 8, 2026HouseFloorRead Second Time (H)
- Jan 7, 2026HouseIntroducedRead First Time (H)
- Dec 11, 2025HouseIntroducedPrefiled (H)
Version history
Only one version on file - nothing to compare yet. As later stages (committee substitute, engrossed, enrolled) are captured, the redline appears here.
View official text →Lobbying Activity
No state lobbying filings in our records match this bill. Federal lobbying reports (LDA) cover Congress, so they are not listed on state bills.
Full breakdown
Who this bill affects and the strongest case for and against it, written only from the bill’s own text.
Sponsors
Discoveries
Patterns POLISCOPE noticed across the record. These are observations to investigate, not conclusions.
Transition to Closed Primary Rules via Voter Registration
The legislation shifts primary participation requirements by tying ballot access directly to voter registration affiliation status established nearly half a year before the election.
Connected Entities
Sources
house.mo.gov
Analysis Score
0–100- Significance75How much this matters to a regular citizen
- Controversy65Intensity of disagreement among stakeholders
- Entertainment10Compellingness for a non-policy-wonk reader
- Buzz40Current news / social attention level
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