---
type: "Bill"
title: "MOTOR VEHICLES: Provides relative to restricted driver's licenses of certain individuals whose vehicles are equipped with ignition interlock devices"
description: "MOTOR VEHICLES: Provides relative to restricted driver's licenses of certain individuals whose vehicles are equipped with ignition interlock devices"
jurisdiction: "us/states/la"
legislature: "Louisiana Legislature"
session: "2019"
identifier: "HB 278"
citation: "Louisiana HB 278 (2019)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Sherman Q. Mack"]
version_count: 5
action_count: 20
vote_count: 3
first_action: "2019-03-28"
last_action: "2019-06-20"
source: "openstates"
source_identifier: "ocd-bill/160bfe6c-e011-4cda-bd6d-1fcf5cadef6f"
source_url: "http://www.legis.la.gov/Legis/BillInfo.aspx?i=236040"
source_hash: "66cf8b42c90f6fd654ceff7c7688df07a54d591a04e6c78418a19cd7dee01b8c"
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 278 (2019) — MOTOR VEHICLES: Provides relative to restricted driver's licenses of certain individuals whose vehicles are equipped with ignition interlock devices

## Version chain

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

1. **HB278 Original** (filed) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1120242)
2. **HB278 Act 396** (committee substitute) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1144664)
3. **HB278 Engrossed** (committee substitute) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1128963)
4. **Senate Floor Amendment, #2690, Cortez, Adopted** (committee substitute) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1138558)
5. **HB278 Enrolled** (enrolled) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1142140)

## Votes

- FINAL PASSAGE (#225) — **96–0** (pass) · lower
- CONCUR IN SENATE AMENDMENTS (#888) — **99–0** (pass) · lower
- FINAL PASSAGE (#751) — **34–1** (pass) · upper

## Sponsors

- Sherman Q. Mack — primary (person)

## Timeline

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

- **2019-06-20** Effective date: 08/01/2019.
- **2019-06-20** Signed by the Governor. Becomes Act No. 396. `executive-signature`
- **2019-06-05** Sent to the Governor for executive approval. `executive-receipt`
- **2019-06-04** Signed by the President of the Senate.
- **2019-06-04** Enrolled and signed by the Speaker of the House.
- **2019-06-03** Read by title, roll called, yeas 99, nays 0, Senate amendments concurred in.
- **2019-06-02** Scheduled for concurrence on 06/03/19.
- **2019-06-02** Received from the Senate with amendments.
- **2019-06-01** Senate floor amendments read and adopted. Read by title, passed by a vote of 34 yeas and 1 nays, and ordered returned to the House. Motion to reconsider tabled. `passage`
- **2019-05-28** Reported without Legislative Bureau amendments. Read by title and passed to third reading and final passage.
- **2019-05-27** Reported favorably. Rules suspended. Read by title and referred to the Legislative Bureau.
- **2019-05-09** Read second time by title and referred to the Committee on Transportation, Highways and Public Works. `referral-committee`
- **2019-05-08** Received in the Senate. Rules suspended. Read first time by title and placed on the Calendar for a second reading.
- **2019-05-08** Read third time by title, roll called on final passage, yeas 96, nays 0. Finally passed, title adopted, ordered to the Senate. `passage`
- **2019-05-02** Scheduled for floor debate on 05/08/19.
- **2019-05-01** Read by title, ordered engrossed, passed to 3rd reading.
- **2019-04-30** Reported favorably (12-0).
- **2019-04-08** Read by title, under the rules, referred to the Committee on Transportation, Highways and Public Works. `referral-committee`
- **2019-03-28** Under the rules, provisionally referred to the Committee on Transportation, Highways and Public Works. `referral-committee`
- **2019-03-28** Prefiled. `filing`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/160bfe6c-e011-4cda-bd6d-1fcf5cadef6f`. Confidence: reported (aggregated from official Louisiana legislature records).