---
type: "Bill"
title: "SECONDHAND DEALERS: Provides relative to catalytic converter sales law (EN NO IMPACT See Note)"
description: "SECONDHAND DEALERS: Provides relative to catalytic converter sales law (EN NO IMPACT See Note)"
jurisdiction: "us/states/la"
legislature: "Louisiana Legislature"
session: "2023"
identifier: "HB 547"
citation: "Louisiana HB 547 (2023)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Neil Riser"]
version_count: 9
action_count: 22
vote_count: 3
first_action: "2023-03-31"
last_action: "2023-06-14"
source: "openstates"
source_identifier: "ocd-bill/edfbe3a9-4694-487d-9a02-075fc8ed7a95"
source_url: "https://www.legis.la.gov/Legis/BillInfo.aspx?i=244535"
source_hash: "be6d318701a1a19549d608ccec9807ca4e043129909bcc540919b3350e3cacf2"
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 547 (2023) — SECONDHAND DEALERS: Provides relative to catalytic converter sales law (EN NO IMPACT See Note)

## Version chain

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

1. **HB547 Original** (filed) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1309721)
2. **HB547 Act** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1332532)
3. **HB547 Engrossed** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1315262)
4. **HB547 Reengrossed** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1317104)
5. **House Committee Amendment, #1473, COM, Draft** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1313787)
6. **House Committee Amendment, #1683, COM, Adopted** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1315098)
7. **House Floor Amendment, #1948, Riser, Adopted** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1316726)
8. **Senate Floor Amendment, #1852, Womack, Adopted** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1323056)
9. **HB547 Enrolled** (enrolled) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1331056)

## Votes

- FINAL PASSAGE (#720) — **39–0** (pass) · upper
- FINAL PASSAGE (#165) — **94–1** (pass) · lower
- CONCUR IN SENATE AMENDMENTS (#1038) — **98–0** (pass) · lower

## Sponsors

- Neil Riser — primary (person)

## Timeline

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

- **2023-06-14** Effective date: 08/01/2023.
- **2023-06-14** Signed by the Governor. Becomes Act No. 373. `became-law, executive-signature`
- **2023-06-09** Sent to the Governor for executive approval. `executive-receipt`
- **2023-06-08** Signed by the President of the Senate.
- **2023-06-07** Enrolled and signed by the Speaker of the House. `enrolled`
- **2023-06-06** Read by title, roll called, yeas 98, nays 0. The Senate amendments, having received two-thirds vote of the elected members, were concurred in.
- **2023-06-04** Scheduled for concurrence on 06/06/2023.
- **2023-06-04** Received from the Senate with amendments. `receipt`
- **2023-06-04** Rules suspended. Senate floor amendments read and adopted. Read by title, passed by a vote of 39 yeas and 0 nays, and ordered returned to the House. Motion to reconsider tabled. `passage`
- **2023-05-15** Reported without Legislative Bureau amendments. Read by title and passed to third reading and final passage. `reading-3`
- **2023-05-11** Read by title and referred to the Legislative Bureau.
- **2023-05-10** Reported favorably. `committee-passage-favorable`
- **2023-05-02** Read second time by title and referred to the Committee on Commerce, Consumer Protection and International Affairs. `reading-2, referral-committee`
- **2023-05-01** Received in the Senate. Read first time by title and placed on the Calendar for a second reading. `reading-1`
- **2023-04-27** Read third time by title, amended, roll called on final passage, yeas 94, nays 1. The bill, having received two-thirds vote of the elected members, was finally passed, title adopted, ordered to the Senate. `passage`
- **2023-04-26** Scheduled for floor debate on 04/27/2023.
- **2023-04-25** Read by title, amended, ordered engrossed, passed to 3rd reading. `reading-3`
- **2023-04-24** Reported with amendments (10-0). `committee-passage-favorable`
- **2023-04-10** Read by title, under the rules, referred to the Committee on Commerce. `referral-committee`
- **2023-04-03** First appeared in the Interim Calendar on 4/3/2023.
- **2023-03-31** Under the rules, provisionally referred to the Committee on Commerce. `referral-committee`
- **2023-03-31** Prefiled. `filing`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/edfbe3a9-4694-487d-9a02-075fc8ed7a95`. Confidence: reported (aggregated from official Louisiana legislature records).