republic-os/legislation/us/states/co/2021a/hb-21-1002.md

---
type: "Bill"
title: "Reductions Certain Taxpayers' Income Tax Liability"
description: "Sections 1 and 3 of the act restore, over time, certain business deductions to federal taxable income that were disallowed in Colorado by operation of a department of revenue rule and by House Bill 20-1420. The specific deductions are related to net operating losses, the application of the federal excess business loss rules, interest expenses, and qualified improvement property.The earned income tax credit is equal to a percentage of the federal earned income tax credit. Section 2 allows taxpayers filing with an individual taxpayer identification number to claim the earned income tax credit for income tax years commencing on or after January 1, 2020.(Note: This summary applies to this bill as enacted.)"
jurisdiction: "us/states/co"
legislature: "Colorado General Assembly"
session: "2021A"
identifier: "HB 21-1002"
citation: "Colorado HB 21-1002 (2021A)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Chris Hansen", "Dominick Moreno", "Emily Sirota", "Mike Weissman"]
version_count: 9
action_count: 15
vote_count: 2
first_action: "2021-01-13T07:00:00+00:00"
last_action: "2021-01-21T07:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/674e9f9a-da54-47d4-b11d-68538ddc0a65"
source_url: "http://leg.colorado.gov/bills/hb21-1002"
source_hash: "a1a516f4b9717a80be9aff18775905280215dec5099bb9dc68e3682c19f9705f"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-co"]
---

# Colorado HB 21-1002 (2021A) — Reductions Certain Taxpayers' Income Tax Liability

Sections 1 and 3 of the act restore, over time, certain business deductions to federal taxable income that were disallowed in Colorado by operation of a department of revenue rule and by House Bill 20-1420. The specific deductions are related to net operating losses, the application of the federal excess business loss rules, interest expenses, and qualified improvement property.The earned income tax credit is equal to a percentage of the federal earned income tax credit. Section 2 allows taxpayers filing with an individual taxpayer identification number to claim the earned income tax credit for income tax years commencing on or after January 1, 2020.(Note: This summary applies to this bill as enacted.)

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Committee Amendment** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/2021a_hb1002_s_fin_001.pdf)
2. **Engrossed (01/13/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_1002_eng.pdf)
3. **Final Act (01/15/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_1002_enr.pdf)
4. **Introduced (01/13/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_1002_01.pdf)
5. **PA1 (01/13/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_1002fin_01.pdf)
6. **Reengrossed (01/14/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_1002_ren.pdf)
7. **Rerevised (01/15/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_1002_rer.pdf)
8. **Revised (01/14/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_1002_rev.pdf)
9. **Signed Act (01/21/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/2021a_1002_signed.pdf)

## Votes

- BILL — **44–20** (pass) · lower
- BILL — **33–0** (pass) · upper

## Sponsors

- Chris Hansen — primary (person)
- Dominick Moreno — primary (person)
- Emily Sirota — primary (person)
- Mike Weissman — primary (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2021-01-21T07:00:00+00:00** Governor Signed `executive-signature`
- **2021-01-15T07:00:00+00:00** Sent to the Governor `executive-receipt`
- **2021-01-15T07:00:00+00:00** Signed by the President of the Senate
- **2021-01-15T07:00:00+00:00** Signed by the Speaker of the House
- **2021-01-15T07:00:00+00:00** Senate Third Reading Passed - No Amendments `passage, reading-3`
- **2021-01-14T07:00:00+00:00** Senate Second Reading Special Order - Passed - No Amendments
- **2021-01-14T07:00:00+00:00** Senate Committee on Appropriations Refer Unamended to Senate Committee of the Whole `committee-passage, referral-committee`
- **2021-01-14T07:00:00+00:00** Senate Committee on Finance Refer Unamended to Appropriations `referral-committee`
- **2021-01-14T07:00:00+00:00** Senate Committee on Finance Refer Unamended to Appropriations `referral-committee`
- **2021-01-14T07:00:00+00:00** Introduced In Senate - Assigned to Finance `introduction`
- **2021-01-14T07:00:00+00:00** House Third Reading Passed - No Amendments `passage, reading-3`
- **2021-01-13T07:00:00+00:00** House Second Reading Special Order - Passed with Amendments - Committee
- **2021-01-13T07:00:00+00:00** House Committee on Appropriations Refer Amended to House Committee of the Whole `committee-passage, referral-committee`
- **2021-01-13T07:00:00+00:00** House Committee on Finance Refer Amended to Appropriations `referral-committee`
- **2021-01-13T07:00:00+00:00** Introduced In House - Assigned to Finance `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/674e9f9a-da54-47d4-b11d-68538ddc0a65`. Confidence: reported (aggregated from official Colorado legislature records).