---
type: "Bill"
title: "TAX CREDITS: Exempts certain research and development tax credit recipients from detailed examinations by the Department of Economic Development (EN SEE FISC NOTE GF EX See Note)"
description: "TAX CREDITS: Exempts certain research and development tax credit recipients from detailed examinations by the Department of Economic Development (EN SEE FISC NOTE GF EX See Note)"
jurisdiction: "us/states/la"
legislature: "Louisiana Legislature"
session: "2023"
identifier: "HB 408"
citation: "Louisiana HB 408 (2023)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Matthew Willard"]
version_count: 6
action_count: 22
vote_count: 4
first_action: "2023-03-30"
last_action: "2023-06-12"
source: "openstates"
source_identifier: "ocd-bill/e816d2d0-6f29-4f9c-b86c-afc443967431"
source_url: "https://www.legis.la.gov/Legis/BillInfo.aspx?i=244331"
source_hash: "0955e6d75921c0c2fe6f4b1b27044e5aa2b82c0ceadb2cfba07008fb6e2b76a7"
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 408 (2023) — TAX CREDITS: Exempts certain research and development tax credit recipients from detailed examinations by the Department of Economic Development (EN SEE FISC NOTE GF EX See Note)

## Version chain

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

1. **HB408 Original** (filed) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1308577)
2. **HB408 Act** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1332507)
3. **HB408 Engrossed** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1319865)
4. **House Committee Amendment, #2452, W&M, Adopted** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1319804)
5. **Senate Floor Amendment, #2237, Connick, Adopted** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1326027)
6. **HB408 Enrolled** (enrolled) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1330934)

## Votes

- CONCUR IN SENATE AMENDMENTS (#1079) — **98–0** (pass) · lower
- FINAL PASSAGE (#474) — **98–0** (pass) · lower
- FINAL PASSAGE (#776) — **37–0** (pass) · upper
- CO-AUTHORS (#777) — **11–0** (fail) · upper

## Sponsors

- Matthew Willard — primary (person)
- Aimee Adatto Freeman — cosponsor (person)
- Candace N. Newell — cosponsor (person)
- Cedric Glover — cosponsor (person)
- Cleo Fields — cosponsor (person)
- Edmond Jordan — cosponsor (person)
- Franklin J. Foil — cosponsor (person)
- Gary Carter — cosponsor (person)
- Gary L. Smith, Jr. — cosponsor (person)
- Gerald Boudreaux — cosponsor (person)
- Jason Hughes — cosponsor (person)
- Jay Luneau — cosponsor (person)
- Joe Stagni — cosponsor (person)
- John "Big John" Illg , Jr. — cosponsor (person)
- Joseph Bouie — cosponsor (person)
- Joseph Marino — cosponsor (person)
- Katrina Jackson — cosponsor (person)
- Kenny Cox — cosponsor (person)
- Larry Selders — cosponsor (person)
- Patrick O. Jefferson — cosponsor (person)
- Paula Davis — cosponsor (person)
- R. Dewith Carrier — cosponsor (person)
- Randal L. Gaines — cosponsor (person)
- Regina Ashford Barrow — cosponsor (person)
- Rodney Lyons — cosponsor (person)
- Royce Duplessis — cosponsor (person)
- Samuel Jenkins — cosponsor (person)
- Sharon Hewitt — cosponsor (person)
- Stephanie Hilferty — cosponsor (person)
- Thomas Pressly — cosponsor (person)
- Vanessa Caston LaFleur — cosponsor (person)
- Vincent J. Pierre — cosponsor (person)

## Timeline

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

- **2023-06-12** Effective date: 06/12/2023.
- **2023-06-12** Signed by the Governor. Becomes Act No. 350. `became-law, executive-signature`
- **2023-06-07** Sent to the Governor for executive approval. `executive-receipt`
- **2023-06-07** 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, Senate amendments concurred in.
- **2023-06-05** Scheduled for concurrence on 06/06/2023.
- **2023-06-05** 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 37 yeas and 0 nays, and ordered returned to the House. Motion to reconsider tabled. `passage`
- **2023-05-29** Reported without Legislative Bureau amendments. Read by title and passed to third reading and final passage. `reading-3`
- **2023-05-26** Read by title and referred to the Legislative Bureau.
- **2023-05-25** Reported favorably. `committee-passage-favorable`
- **2023-05-18** Read second time by title and referred to the Committee on Revenue and Fiscal Affairs. `reading-2, referral-committee`
- **2023-05-17** Received in the Senate. Rules suspended. Read first time by title and placed on the Calendar for a second reading. `reading-1`
- **2023-05-17** Read third time by title, roll called on final passage, yeas 98, nays 0. Finally passed, title adopted, ordered to the Senate. `passage`
- **2023-05-11** Scheduled for floor debate on 05/17/2023.
- **2023-05-09** Read by title, amended, ordered engrossed, passed to 3rd reading. `reading-3`
- **2023-05-08** Reported with amendments (15-0). `committee-passage-favorable`
- **2023-04-10** Read by title, under the rules, referred to the Committee on Ways and Means. `referral-committee`
- **2023-04-03** First appeared in the Interim Calendar on 4/3/2023.
- **2023-03-30** Under the rules, provisionally referred to the Committee on Ways and Means. `referral-committee`
- **2023-03-30** Prefiled. `filing`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/e816d2d0-6f29-4f9c-b86c-afc443967431`. Confidence: reported (aggregated from official Louisiana legislature records).