Fabio
87 lines
5.4 KiB
Markdown
87 lines
5.4 KiB
Markdown
---
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type: "Bill"
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title: "Commercial Vehicle Muffler Requirements"
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description: "The act requires all commercial vehicles to have a muffler. The muffler must be located so that it may be visually inspected to ensure it is present, intact, and functioning properly; except that a muffler need not be visible for inspection if certain documentation is present in the commercial vehicle and available for inspection by a peace officer. Standards are set for the necessary documentation."
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jurisdiction: "us/states/co"
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legislature: "Colorado General Assembly"
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session: "2025A"
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identifier: "HB 25-1039"
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citation: "Colorado HB 25-1039 (2025A)"
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classification: ["bill"]
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subjects: []
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status: "enacted"
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primary_sponsors: ["Brianna Titone", "Dylan Roberts", "Lesley Smith", "Marc Catlin"]
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version_count: 9
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action_count: 14
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vote_count: 2
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first_action: "2025-01-08T07:00:00+00:00"
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last_action: "2025-05-15T06:00:00+00:00"
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source: "openstates"
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source_identifier: "ocd-bill/602387cf-38c2-459e-ade6-ea97888fa4ec"
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source_url: "https://leg.colorado.gov/bills/hb25-1039"
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source_hash: "356632e9a0170bf6453ecee3718a9062cf48873fbc8d446e4f289ccd5b20e71c"
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vintage: "2026-07-01"
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source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
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retrieved_at: "2026-07-06"
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confidence: "reported"
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tags: ["legislation", "bill", "us-co"]
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---
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# Colorado HB 25-1039 (2025A) — Commercial Vehicle Muffler Requirements
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The act requires all commercial vehicles to have a muffler. The muffler must be located so that it may be visually inspected to ensure it is present, intact, and functioning properly; except that a muffler need not be visible for inspection if certain documentation is present in the commercial vehicle and available for inspection by a peace officer. Standards are set for the necessary documentation.
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## Version chain
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The bill's text revisions, in order — the diff chain from filing to enrollment.
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1. **Committee Amendment** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/2025a_hb1039_s_app_001.pdf)
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2. **Engrossed (04/17/2025)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2025A/bills/2025a_1039_eng.pdf)
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3. **Final Act (05/13/2025)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2025A/bills/2025a_1039_enr.pdf)
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4. **Introduced (01/08/2025)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2025A/bills/2025a_1039_01.pdf)
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5. **PA1 (01/29/2025)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2025A/bills/2025a_1039_h_thl_01.pdf)
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6. **Reengrossed (04/21/2025)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2025A/bills/2025a_1039_ren.pdf)
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7. **Rerevised (05/01/2025)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2025A/bills/2025a_1039_rer.pdf)
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8. **Revised (04/30/2025)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2025A/bills/2025a_1039_rev.pdf)
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9. **Signed Act (05/15/2025)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/2025a_1039_signed.pdf)
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## Votes
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- BILL — **30–5** (pass) · upper
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- BILL — **41–22** (pass) · lower
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## Sponsors
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- Brianna Titone — primary (person)
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- Dylan Roberts — primary (person)
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- Lesley Smith — primary (person)
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- Marc Catlin — primary (person)
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- A. Valdez — cosponsor (person)
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- J. McCluskie — cosponsor (person)
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- K. McCormick — cosponsor (person)
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- M. Lukens — cosponsor (person)
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## Timeline
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The legislative action history — every referral, reading, and vote.
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- **2025-05-15T06:00:00+00:00** Governor Signed `executive-signature`
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- **2025-05-13T06:00:00+00:00** Sent to the Governor `executive-receipt`
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- **2025-05-13T06:00:00+00:00** Signed by the President of the Senate
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- **2025-05-13T06:00:00+00:00** Signed by the Speaker of the House
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- **2025-05-01T06:00:00+00:00** Senate Third Reading Passed - No Amendments `passage, reading-3`
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- **2025-04-30T06:00:00+00:00** Senate Second Reading Special Order - Passed - No Amendments
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- **2025-04-30T06:00:00+00:00** Senate Committee on Appropriations Refer Unamended - Consent Calendar to Senate Committee of the Whole `committee-passage`
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- **2025-04-28T06:00:00+00:00** Senate Committee on Transportation & Energy Refer Unamended to Appropriations `referral-committee`
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- **2025-04-22T06:00:00+00:00** Introduced In Senate - Assigned to Transportation & Energy `introduction`
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- **2025-04-21T06:00:00+00:00** House Third Reading Passed - No Amendments `passage, reading-3`
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- **2025-04-17T06:00:00+00:00** House Second Reading Special Order - Passed with Amendments - Committee, Floor
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- **2025-04-15T06:00:00+00:00** House Committee on Appropriations Refer Unamended to House Committee of the Whole `committee-passage, referral-committee`
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- **2025-01-28T07:00:00+00:00** House Committee on Transportation, Housing & Local Government Refer Amended to Appropriations `referral-committee`
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- **2025-01-08T07:00:00+00:00** Introduced In House - Assigned to Transportation, Housing & Local Government `introduction`
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## Source
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OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/602387cf-38c2-459e-ade6-ea97888fa4ec`. Confidence: reported (aggregated from official Colorado legislature records).
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