Legislation: batch A — AK AL AR AZ CO CT DE GA HI IA ID

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

legislation/us/states/co/2025a/sb-25-320.md

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+---
+type: "Bill"
+title: "Commercial Motor Vehicle Transportation"
+description: "The act reinstates the sales and use tax exemption for certain low-emitting heavy-duty motor vehicles, vehicle power sources, and parts for vehicle power source conversion, which had expired as of January 1, 2025, for the period beginning on and after August 1, 2025, but prior to January 1, 2029, and clarifies the intent of the exemption."
+jurisdiction: "us/states/co"
+legislature: "Colorado General Assembly"
+session: "2025A"
+identifier: "SB 25-320"
+citation: "Colorado SB 25-320 (2025A)"
+classification: ["bill"]
+subjects: []
+status: "enacted"
+primary_sponsors: ["Barbara Kirkmeyer", "Jeff Bridges", "Rick Taggart", "Shannon Bird"]
+version_count: 9
+action_count: 12
+vote_count: 2
+first_action: "2025-04-29T06:00:00+00:00"
+last_action: "2025-06-03T06:00:00+00:00"
+source: "openstates"
+source_identifier: "ocd-bill/7d222723-5da4-4fa0-b619-0b9b898d1114"
+source_url: "https://leg.colorado.gov/bills/sb25-320"
+source_hash: "d9d1a40b5f545dda65d1f21d8850b1f2c65a5c8d91a9b9521d372083d1bd0350"
+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 25-320 (2025A) — Commercial Motor Vehicle Transportation
+
+The act reinstates the sales and use tax exemption for certain low-emitting heavy-duty motor vehicles, vehicle power sources, and parts for vehicle power source conversion, which had expired as of January 1, 2025, for the period beginning on and after August 1, 2025, but prior to January 1, 2029, and clarifies the intent of the exemption.
+
+## 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/2025a_sb320_h_app_003.pdf)
+2. **Engrossed (05/01/2025)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2025A/bills/2025a_320_eng.pdf)
+3. **Final Act (05/13/2025)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2025A/bills/2025a_320_enr.pdf)
+4. **Introduced (04/29/2025)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2025A/bills/2025a_320_01.pdf)
+5. **PA1 (05/01/2025)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2025A/bills/2025a_320_s_app_01.pdf)
+6. **Reengrossed (05/02/2025)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2025A/bills/2025a_320_ren.pdf)
+7. **Rerevised (05/05/2025)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2025A/bills/2025a_320_rer.pdf)
+8. **Revised (05/03/2025)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2025A/bills/2025a_320_rev.pdf)
+9. **Signed Act (06/03/2025)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/2025a_320_signed.pdf)
+
+## Votes
+
+- BILL — **44–20** (pass) · lower
+- BILL — **34–0** (pass) · upper
+
+## Sponsors
+
+- Barbara Kirkmeyer — primary (person)
+- Jeff Bridges — primary (person)
+- Rick Taggart — primary (person)
+- Shannon Bird — primary (person)
+- E. Sirota — cosponsor (person)
+- J. Amabile — cosponsor (person)
+- N. Hinrichsen — cosponsor (person)
+
+## Timeline
+
+The legislative action history — every referral, reading, and vote.
+
+- **2025-06-03T06:00:00+00:00** Governor Signed `executive-signature`
+- **2025-05-13T06:00:00+00:00** Signed by the Speaker of the House
+- **2025-05-13T06:00:00+00:00** Signed by the President of the Senate
+- **2025-05-13T06:00:00+00:00** Sent to the Governor `executive-receipt`
+- **2025-05-05T06:00:00+00:00** House Third Reading Passed - No Amendments `passage, reading-3`
+- **2025-05-03T06:00:00+00:00** House Second Reading Special Order - Passed - No Amendments
+- **2025-05-03T06:00:00+00:00** House Committee on Appropriations Refer Unamended to House Committee of the Whole `committee-passage, referral-committee`
+- **2025-05-02T06:00:00+00:00** Introduced In House - Assigned to Appropriations `introduction`
+- **2025-05-02T06:00:00+00:00** Senate Third Reading Passed - No Amendments `passage, reading-3`
+- **2025-05-01T06:00:00+00:00** Senate Second Reading Special Order - Passed with Amendments - Committee
+- **2025-05-01T06:00:00+00:00** Senate Committee on Appropriations Refer Amended - Consent Calendar to Senate Committee of the Whole `committee-passage`
+- **2025-04-29T06:00:00+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/7d222723-5da4-4fa0-b619-0b9b898d1114`. Confidence: reported (aggregated from official Colorado legislature records).
+