---
type: "Bill"
title: "BOARDS/COMMISSIONS: Provides relative to the membership of the Louisiana Sickle Cell Commission"
description: "BOARDS/COMMISSIONS: Provides relative to the membership of the Louisiana Sickle Cell Commission"
jurisdiction: "us/states/la"
legislature: "Louisiana Legislature"
session: "2020"
identifier: "HB 591"
citation: "Louisiana HB 591 (2020)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Ed Larvadain III"]
version_count: 8
action_count: 29
vote_count: 5
first_action: "2020-02-28"
last_action: "2020-06-11"
source: "openstates"
source_identifier: "ocd-bill/dabc3d6d-7373-4695-be48-1d9b9dc26fe7"
source_url: "http://www.legis.la.gov/Legis/BillInfo.aspx?i=238335"
source_hash: "06e8db40240a17942404129f487089b9816c500de2dc55df676635b19add26ed"
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 591 (2020) — BOARDS/COMMISSIONS: Provides relative to the membership of the Louisiana Sickle Cell Commission

## Version chain

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

1. **HB591 Original** (filed) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1163745)
2. **Conference Committee Report, #2890, House Adopted, Senate Adopted** (committee substitute) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1178493)
3. **HB591 Act 280** (committee substitute) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1182357)
4. **HB591 Engrossed** (committee substitute) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1169561)
5. **HB591 Reengrossed** (committee substitute) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1173297)
6. **House Floor Amendment, #1679, Larvadain, Adopted** (committee substitute) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1170751)
7. **Senate Floor Amendment, #2292, Barrow, Adopted** (committee substitute) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1177522)
8. **HB591 Enrolled** (enrolled) — [source](http://www.legis.la.gov/Legis/ViewDocument.aspx?d=1179190)

## Votes

- FINAL PASSAGE (#568) — **35–0** (pass) · upper
- REJECT SENATE AMENDMENTS (#709) — **95–0** (pass) · lower
- MOTION TO ADOPT (#771) — **94–0** (pass) · lower
- HB 591 BY LARVADAIN (#81) — **95–0** (pass) · lower
- ADOPT (#736) — **35–0** (pass) · upper

## Sponsors

- Ed Larvadain III — primary (person)
- Kenny Cox — cosponsor (person)
- Wilford Carter , Sr. — cosponsor (person)

## Timeline

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

- **2020-06-11** Effective date: 06/11/2020.
- **2020-06-11** Signed by the Governor. Becomes Act No. 280. `executive-signature`
- **2020-06-03** Sent to the Governor for executive approval. `executive-receipt`
- **2020-06-01** Signed by the President of the Senate.
- **2020-06-01** Enrolled and signed by the Speaker of the House.
- **2020-06-01** Notice of Senate adoption of Conference Committee Report.
- **2020-06-01** Conference Committee Report read; adopted by a vote of 35 yeas and 0 nays.
- **2020-06-01** Notice House adopted the Conference Committee Report.
- **2020-06-01** Conference Committee Report read, roll called, yeas 94, nays 0. The Conference Committee Report was adopted.
- **2020-06-01** Conference Committee report received.
- **2020-06-01** Senate conference committee members appointed: Barrow, Price, and Fred Mills.
- **2020-06-01** Notice of Senate conferees appointed.
- **2020-05-31** Notice House Conference Committee members appointed.
- **2020-05-31** House conferees appointed: Larvadain, Bagley, and Gary Carter.
- **2020-05-31** Notice House rejected the Senate amendments.
- **2020-05-31** Read by title, roll called, yeas 95, nays 0, Senate amendments rejected, conference committee appointment pending.
- **2020-05-29** Scheduled for concurrence on 05/31/20.
- **2020-05-29** Received from the Senate with amendments.
- **2020-05-29** Rules suspended. Senate floor amendments read and adopted. Read by title, passed by a vote of 35 yeas and 0 nays, and ordered returned to the House. Motion to reconsider tabled. `passage`
- **2020-05-27** Reported without Legislative Bureau amendments. Read by title and passed to third reading and final passage.
- **2020-05-27** Rules suspended. Reported favorably. Rules suspended. Read by title and referred to the Legislative Bureau.
- **2020-05-18** Received in the Senate; read by title Rules suspended. Read second time by title and referred to the Committee on Health and Welfare. `referral-committee`
- **2020-05-15** Read third time by title, amended, roll called on final passage, yeas 95, nays 0. Finally passed, title adopted, ordered to the Senate. `passage`
- **2020-05-13** Scheduled for floor debate on 05/15/20.
- **2020-05-13** Read by title, ordered engrossed, passed to 3rd reading.
- **2020-05-07** Reported favorably (14-0).
- **2020-03-09** Read by title, under the rules, referred to the Committee on Health and Welfare. `referral-committee`
- **2020-02-28** Under the rules, provisionally referred to the Committee on Health and Welfare. `referral-committee`
- **2020-02-28** Prefiled. `filing`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/dabc3d6d-7373-4695-be48-1d9b9dc26fe7`. Confidence: reported (aggregated from official Louisiana legislature records).