---
type: "Bill"
title: "Protect Tribal Lands from Unauthorized Annexation"
description: "The act makes any annexation of lands within the exterior boundaries of a reservation of a federally recognized Indian tribe located within the state into the boundaries of a municipality invalid unless there is a resolution or ordinance approving the annexation by the tribal council or other governing body of the federally recognized Indian tribe within whose reservation the annexation will occur."
jurisdiction: "us/states/co"
legislature: "Colorado General Assembly"
session: "2024A"
identifier: "SB 24-193"
citation: "Colorado SB 24-193 (2024A)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Cleave Simpson", "Jessie Danielson", "Monica Duran", "Rose Pugliese"]
version_count: 8
action_count: 15
vote_count: 2
first_action: "2024-04-01T06:00:00+00:00"
last_action: "2024-06-06T06:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/481127c6-669c-4e95-a2d9-e8402c629e0a"
source_url: "https://leg.colorado.gov/bills/sb24-193"
source_hash: "c919aef3145e826c08367b5a58c1499441072ecd4cec92b06207d8f2644788ce"
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 24-193 (2024A) — Protect Tribal Lands from Unauthorized Annexation

The act makes any annexation of lands within the exterior boundaries of a reservation of a federally recognized Indian tribe located within the state into the boundaries of a municipality invalid unless there is a resolution or ordinance approving the annexation by the tribal council or other governing body of the federally recognized Indian tribe within whose reservation the annexation will occur.

## 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/2024a_sb193_h_sa_001.pdf)
2. **Engrossed (04/25/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_193_eng.pdf)
3. **Final Act (05/10/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_193_enr.pdf)
4. **Introduced (04/01/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_193_01.pdf)
5. **Reengrossed (04/26/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_193_ren.pdf)
6. **Rerevised (05/04/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_193_rer.pdf)
7. **Revised (05/03/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_193_rev.pdf)
8. **Signed Act (06/06/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/2024a_193_signed.pdf)

## Votes

- BILL — **35–0** (pass) · upper
- BILL — **61–0** (pass) · lower

## Sponsors

- Cleave Simpson — primary (person)
- Jessie Danielson — primary (person)
- Monica Duran — primary (person)
- Rose Pugliese — primary (person)

## Timeline

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

- **2024-06-06T06:00:00+00:00** Governor Signed `executive-signature`
- **2024-05-10T06:00:00+00:00** Sent to the Governor `executive-receipt`
- **2024-05-10T06:00:00+00:00** Signed by the Speaker of the House
- **2024-05-09T06:00:00+00:00** Signed by the President of the Senate
- **2024-05-04T06:00:00+00:00** House Third Reading Passed - No Amendments `passage, reading-3`
- **2024-05-03T06:00:00+00:00** House Second Reading Special Order - Passed - No Amendments
- **2024-05-02T06:00:00+00:00** House Committee on State, Civic, Military, & Veterans Affairs Refer Unamended to House Committee of the Whole `committee-passage, referral-committee`
- **2024-04-26T06:00:00+00:00** Introduced In House - Assigned to State, Civic, Military, & Veterans Affairs `introduction`
- **2024-04-26T06:00:00+00:00** Senate Third Reading Passed - No Amendments `passage, reading-3`
- **2024-04-25T06:00:00+00:00** Senate Second Reading Passed - No Amendments `reading-2`
- **2024-04-24T06:00:00+00:00** Senate Second Reading Laid Over to 04/25/2024 - No Amendments
- **2024-04-23T06:00:00+00:00** Senate Second Reading Laid Over to 04/24/2024 - No Amendments
- **2024-04-22T06:00:00+00:00** Senate Second Reading Laid Over to 04/23/2024 - No Amendments
- **2024-04-17T06:00:00+00:00** Senate Committee on State, Veterans, & Military Affairs Refer Unamended to Senate Committee of the Whole `committee-passage, referral-committee`
- **2024-04-01T06:00:00+00:00** Introduced In Senate - Assigned to State, Veterans, & Military Affairs `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/481127c6-669c-4e95-a2d9-e8402c629e0a`. Confidence: reported (aggregated from official Colorado legislature records).