Montana Voters Will Decide Ballot Initiative 133 in 2026
The proposed constitutional amendment aims to protect the initiative process from increased legislative restrictions.
Updated on Oct. 2, 2026 in Legislative Policy

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Montana voters will head to the polls in November 2026 to decide on Constitutional Initiative 133. The measure seeks to limit the ability of the state Legislature to place burdens on the ballot initiative process.
Why it matters
Supporters designed the initiative to prevent lawmakers from making it more difficult for citizens to bypass the Legislature through ballot measures. Opponents warn that the language is vague and could lead to significant legal ambiguity.
The initiative received over $2 million in contributions from four organizations, including $1.2 million from The Fairness Project. This comes after lawmakers introduced 20 bills to restrict the initiative process during the 2025 legislative session.
The players
Montanans Decide
This is the political committee organizing the campaign to support the passage of the constitutional initiative.
Montana Supreme Court
The state's highest judicial body is currently reviewing cases regarding the extent of legislative authority over initiative processes.
The details
The measure mandates that the government may only burden initiative rights when justified by a compelling interest and requires the use of the least restrictive means. It also prevents the exclusion of signatures based on minor or technical deficiencies.
Timeline
2023: The Legislature passed a law that was later invalidated by a district court judge.
2025: Lawmakers introduced 20 bills aimed at restricting the initiative process.
September 2026: Montanans Decide reported campaign contribution totals.
November 2026: Montana voters decide on Constitutional Initiative 133.
Political Context
Opponents argue that the measure removes necessary legislative checks and replaces them with open-ended judicial mandates. They contend that the initiative creates a structural imbalance by limiting the oversight role of the state Legislature in the electoral process.
The initiative would directly change how citizens interact with the state's ballot process by potentially lowering barriers for future measures. Residents may face a more complex legal environment regarding how their signatures are validated if the measure passes.
The takeaway
This measure highlights the ongoing tension between legislative oversight and direct democratic action in state governance. Voters should prepare for significant debate over whether constitutional amendments are the appropriate mechanism to resolve these regulatory disputes.
What happens next
Voters will officially cast their ballots on Constitutional Initiative 133 during the November 2026 general election.
Further reading
For more information on current state rules, visit Legislative Policy.
More information
Review the full text of Constitutional Initiative 133 on the Secretary of State portal.
Source note: This article includes information reported by KRTV NEWS Great Falls.
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Should Montana adopt constitutional changes to limit government regulation of the ballot initiative process?










