The proposed ballot initiative would shift from a flat tax to eight brackets, affecting individual tax bills.
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Do you support replacing Colorado's flat income tax with a graduated income tax system?
September 24, 2026
Colorado Tax Amendment Faced Legal ChallengeA court challenge seeks to remove a proposed tax shift from the November ballot that would impact high earners.
September 18, 2026
Lawsuit Challenged Colorado Tax Amendment Ballot StatusA new legal filing seeks to block Amendment 87 from the November ballot by contesting signature requirements.
