Colorado judge hears challenge to Amendment 87 signatures
A 10-hour Denver hearing ended without resolving a lawsuit that challenges 9,849 signatures used to qualify the graduated-tax measure for Colorado’s November ballot.
Colorado Secretary of State
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Colorado statewide initiative campaigns face Aug. 3 signature-submission deadline
Colorado statewide initiative campaigns seeking a place on the 2026 ballot must submit signatures to the Secretary of State by 5 p.m. Aug. 3. The office then has up to 30 days to determine whether petitions are sufficient.