republic-os/legislation/us/states/co/2023a/sb-23-297.md

---
type: "Bill"
title: "America 250 Colorado 150 Commission"
description: "The act expands the America 250 - Colorado 150 commission (commission), created in 2022 within the state historical society (History Colorado), from 11 to 15 voting members, adding 4 additional members to be appointed by the governor no later than October 1, 2023. The act appropriates $500,000 for the 2023-24 state fiscal year from the general fund to the department of higher education for use by History Colorado to support the activities of the commission in developing programs and plans for the official observance of the 250th anniversary of the founding of the United States and the 150th anniversary of Colorado statehood. Any unexpended amount of the $500,000 appropriation is further appropriated to the department of education for the same purpose through state fiscal year 2026-27."
jurisdiction: "us/states/co"
legislature: "Colorado General Assembly"
session: "2023A"
identifier: "SB 23-297"
citation: "Colorado SB 23-297 (2023A)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Barbara McLachlan", "Marc Catlin", "Rachel Zenzinger", "Rod Pelton"]
version_count: 8
action_count: 13
vote_count: 2
first_action: "2023-04-24T06:00:00+00:00"
last_action: "2023-06-06T06:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/cb0a9552-2324-4193-af69-4a6837f12303"
source_url: "https://leg.colorado.gov/bills/sb23-297"
source_hash: "61b41a176cc2366e0de1037367f96d7008231a8b9367fdfe54e5e411d1746d82"
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 SB 23-297 (2023A) — America 250 Colorado 150 Commission

The act expands the America 250 - Colorado 150 commission (commission), created in 2022 within the state historical society (History Colorado), from 11 to 15 voting members, adding 4 additional members to be appointed by the governor no later than October 1, 2023. The act appropriates $500,000 for the 2023-24 state fiscal year from the general fund to the department of higher education for use by History Colorado to support the activities of the commission in developing programs and plans for the official observance of the 250th anniversary of the founding of the United States and the 150th anniversary of Colorado statehood. Any unexpended amount of the $500,000 appropriation is further appropriated to the department of education for the same purpose through state fiscal year 2026-27.

## Version chain

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

1. **Committee Amendment** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/2023a_sb297_h_app_001.pdf)
2. **Engrossed (04/28/2023)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2023A/bills/2023a_297_eng.pdf)
3. **Final Act (05/15/2023)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2023A/bills/2023a_297_enr.pdf)
4. **Introduced (04/24/2023)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2023A/bills/2023a_297_01.pdf)
5. **Reengrossed (05/01/2023)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2023A/bills/2023a_297_ren.pdf)
6. **Rerevised (05/06/2023)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2023A/bills/2023a_297_rer.pdf)
7. **Revised (05/05/2023)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2023A/bills/2023a_297_rev.pdf)
8. **Signed Act (06/06/2023)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/2023a_297_signed.pdf)

## Votes

- BILL — **33–2** (pass) · upper
- BILL — **58–7** (pass) · lower

## Sponsors

- Barbara McLachlan — primary (person)
- Marc Catlin — primary (person)
- Rachel Zenzinger — primary (person)
- Rod Pelton — primary (person)

## Timeline

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

- **2023-06-06T06:00:00+00:00** Governor Signed `executive-signature`
- **2023-05-15T06:00:00+00:00** Sent to the Governor `executive-receipt`
- **2023-05-15T06:00:00+00:00** Signed by the Speaker of the House
- **2023-05-10T06:00:00+00:00** Signed by the President of the Senate
- **2023-05-06T06:00:00+00:00** House Third Reading Passed - No Amendments `passage, reading-3`
- **2023-05-05T06:00:00+00:00** House Second Reading Special Order - Passed - No Amendments
- **2023-05-04T06:00:00+00:00** House Second Reading Laid Over Daily - No Amendments
- **2023-05-02T06:00:00+00:00** House Committee on Appropriations Refer Unamended to House Committee of the Whole `committee-passage, referral-committee`
- **2023-05-01T06:00:00+00:00** Introduced In House - Assigned to Appropriations `introduction`
- **2023-05-01T06:00:00+00:00** Senate Third Reading Passed - No Amendments `passage, reading-3`
- **2023-04-28T06:00:00+00:00** Senate Second Reading Special Order - Passed - No Amendments
- **2023-04-28T06:00:00+00:00** Senate Committee on Appropriations Refer Unamended to Senate Committee of the Whole `committee-passage, referral-committee`
- **2023-04-24T06:00:00+00:00** Introduced In Senate - Assigned to Appropriations `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/cb0a9552-2324-4193-af69-4a6837f12303`. Confidence: reported (aggregated from official Colorado legislature records).