---
type: "Bill"
title: "MTR VEHICLE/VIOLATIONS: Prohibits smoking in an automobile when a minor is present"
description: "MTR VEHICLE/VIOLATIONS: Prohibits smoking in an automobile when a minor is present"
jurisdiction: "us/states/la"
legislature: "Louisiana Legislature"
session: "2024"
identifier: "HB 277"
citation: "Louisiana HB 277 (2024)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Timothy P. Kerner"]
version_count: 6
action_count: 19
vote_count: 2
first_action: "2024-02-28"
last_action: "2024-06-03"
source: "openstates"
source_identifier: "ocd-bill/2ef3fac3-3c5f-428b-ba3d-071604c037be"
source_url: "https://www.legis.la.gov/Legis/BillInfo.aspx?i=245914"
source_hash: "8715f0a62142c4609452e6ee4a802be564c14299163ce02a5d922b25f26dcd93"
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-la"]
---

# Louisiana HB 277 (2024) — MTR VEHICLE/VIOLATIONS: Prohibits smoking in an automobile when a minor is present

## Version chain

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

1. **HB277 Original** (filed) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1348592)
2. **HB277 Act 489** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1382082)
3. **HB277 Engrossed** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1354123)
4. **HB277 Reengrossed** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1355922)
5. **House Floor Amendment, #1279, Kerner, Adopted** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1354803)
6. **HB277 Enrolled** (enrolled) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1378387)

## Votes

- FINAL PASSAGE (#1147) — **34–0** (pass) · upper
- FINAL PASSAGE (#27) — **95–5** (pass) · lower

## Sponsors

- Timothy P. Kerner — primary (person)
- Alonzo Knox — cosponsor (person)
- Sylvia Taylor — cosponsor (person)

## Timeline

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

- **2024-06-03** Effective date: 08/01/2024.
- **2024-06-03** Signed by the Governor. Becomes Act No. 489. `became-law, executive-signature`
- **2024-05-28** Signed by the President of the Senate.
- **2024-05-24** Sent to the Governor for executive approval. `executive-receipt`
- **2024-05-24** Enrolled and signed by the Speaker of the House. `enrolled`
- **2024-05-23** Received from the Senate without amendments. `receipt`
- **2024-05-23** Rules suspended. Read by title, passed by a vote of 34 yeas and 0 nays, and ordered returned to the House. Motion to reconsider tabled. `passage`
- **2024-05-20** Reported without Legislative Bureau amendments. Read by title and passed to third reading and final passage. `reading-3`
- **2024-05-16** Read by title and referred to the Legislative Bureau.
- **2024-05-15** Reported favorably. `committee-passage-favorable`
- **2024-03-25** Read second time by title and referred to the Committee on Transportation, Highways and Public Works. `reading-2, referral-committee`
- **2024-03-20** Received in the Senate. Read first time by title and placed on the Calendar for a second reading. `reading-1`
- **2024-03-19** Read third time by title, amended, roll called on final passage, yeas 95, nays 5. Finally passed, title adopted, ordered to the Senate. `passage`
- **2024-03-18** Scheduled for floor debate on 03/19/2024.
- **2024-03-18** Read by title, ordered engrossed, passed to 3rd reading. `reading-3`
- **2024-03-13** Reported favorably (10-0). `committee-passage-favorable`
- **2024-03-11** Read by title, under the rules, referred to the Committee on Transportation, Highways and Public Works. `referral-committee`
- **2024-02-28** Under the rules, provisionally referred to the Committee on Transportation, Highways and Public Works. `referral-committee`
- **2024-02-28** Prefiled. `filing`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/2ef3fac3-3c5f-428b-ba3d-071604c037be`. Confidence: reported (aggregated from official Louisiana legislature records).