Colorado Secretary of State

regulatory body

Last mentioned: Mar 18, 2026

Timeline

  1. General Election

    Voters will decide on the tax measure if it successfully qualifies for the ballot.

  2. Submission Deadline

    Final date for supporters to submit signatures to the Colorado Secretary of State for verification.

  3. Signature Drive Launch

    Advocacy groups officially begin collecting signatures for the graduated tax initiative.

Stories mentioning Colorado Secretary of State 1

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Colorado Wealth Tax Push: Signature Drive Begins for 2026 Graduated Tax Ballot

Advocates in Colorado have launched a signature-gathering campaign for a 2026 ballot measure that would replace the state's flat income tax with a graduated system targeting high earners. The initiative seeks to generate billions in new revenue for public services while challenging the state's long-standing Taxpayer's Bill of Rights (TABOR) framework.

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