Colorado Tax Increase Approval Amendment, Initiative 4 (1986)
Colorado Amendment 4 (1986) was a measure requiring voter approval for new or increased state or local taxes. This ballot measure was referred to the ballot by the Colorado General Assembly. It failed with 37.5% of voters in favor.
Text of measure
Shall there be an amendment to the Colorado Constitution prohibiting new or increased state or local taxes without the approval, at a biennial election, of the voters of the unit of government proposing or increasing the tax, and requiring the state to provide the funds for any increase in spending it mandates for a political subdivision?