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Bill

HB 1020

Additions to Definition Federal Taxable Income

2025 First Extraordinary Session

Colorado bill expanding state taxable income definition to include additional federal income categories, affecting tax liability and state revenue.

Introduced In House - Assigned to State, Civic, Military, & Veterans Affairs
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WeVote Research Nonpartisan
Bill Summary · HB 1020

Legislative bill overview

HB 1020 proposes to expand Colorado's definition of federal taxable income for state tax purposes. The bill would modify how the state calculates taxable income by adding specific items to what qualifies as federal taxable income under Colorado law. This would affect which income sources are subject to Colorado's state income tax.

Why is this important

Changes to the definition of taxable income directly impact state revenue and which taxpayers bear the tax burden. Expanding the definition could increase tax liability for certain individuals or businesses, affecting state funding for education, infrastructure, and services while potentially shifting tax obligations between income types.

Potential points of contention

  • Revenue impact uncertainty: Unclear how many taxpayers would be affected and what additional revenue the state would collect
  • Fairness and equity concerns: Questions about whether adding specific income types disproportionately affects certain income earners (e.g., investment income vs. wages)
  • Business competitiveness: Concerns that broader tax definitions could make Colorado less attractive for businesses or high-income individuals compared to other states

Compiled from official sources — confirm details with the bill’s official record.

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