---
type: "Bill"
title: "ENERGY/CONSERVATION: Provides relative to carbon dioxide sequestration"
description: "ENERGY/CONSERVATION: Provides relative to carbon dioxide sequestration"
jurisdiction: "us/states/la"
legislature: "Louisiana Legislature"
session: "2024"
identifier: "HB 516"
citation: "Louisiana HB 516 (2024)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Shane Mack"]
version_count: 10
action_count: 27
vote_count: 3
first_action: "2024-03-01"
last_action: "2024-06-19"
source: "openstates"
source_identifier: "ocd-bill/51ba66a8-141d-478d-bf85-3632b9822347"
source_url: "https://www.legis.la.gov/Legis/BillInfo.aspx?i=246274"
source_hash: "3cb6ee91abd1bd15abb3644270138384fe820f702d6c14a99f107b9dce06b5ea"
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 516 (2024) — ENERGY/CONSERVATION: Provides relative to carbon dioxide sequestration

## Version chain

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

1. **HB516 Original** (filed) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1351353)
2. **HB516 Act 702** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1382723)
3. **HB516 Engrossed** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1362658)
4. **HB516 Reengrossed** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1366390)
5. **House Committee Amendment, #2297, NATR, Draft** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1361875)
6. **House Committee Amendment, #2378, NATR, Adopted** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1362386)
7. **House Floor Amendment, #2810, Riser, Adopted** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1364993)
8. **Senate Committee Amendment, #3452, NATR, Draft** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1373979)
9. **Senate Committee Amendment, #3693, NATR, Adopted** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1375182)
10. **HB516 Enrolled** (enrolled) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1379799)

## Votes

- CONCUR IN SENATE AMENDMENTS (#1551) — **94–0** (pass) · lower
- FINAL PASSAGE (#544) — **95–0** (pass) · lower
- FINAL PASSAGE (#1112) — **35–0** (pass) · upper

## Sponsors

- Shane Mack — primary (person)

## Timeline

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

- **2024-06-19** Effective date: 06/19/2024.
- **2024-06-19** Signed by the Governor. Becomes Act No. 702. `became-law, executive-signature`
- **2024-06-03** Sent to the Governor for executive approval. `executive-receipt`
- **2024-05-31** Signed by the President of the Senate.
- **2024-05-30** Enrolled and signed by the Speaker of the House. `enrolled`
- **2024-05-29** Read by title, roll called, yeas 94, nays 0, Senate amendments concurred in.
- **2024-05-29** Called from the calendar.
- **2024-05-29** Read by title, returned to the calendar.
- **2024-05-22** Scheduled for concurrence on 05/29/2024.
- **2024-05-22** Received from the Senate with amendments. `receipt`
- **2024-05-22** Rules suspended. The amended bill was read by title, passed by a vote of 35 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** Committee amendments read and adopted. Read by title and referred to the Legislative Bureau.
- **2024-05-15** Reported with amendments. `committee-passage-favorable`
- **2024-04-22** Read second time by title and referred to the Committee on Natural Resources. `reading-2, referral-committee`
- **2024-04-17** Received in the Senate. Read first time by title and placed on the Calendar for a second reading. `reading-1`
- **2024-04-16** Read third time by title, amended, roll called on final passage, yeas 95, nays 0. Finally passed, title adopted, ordered to the Senate. `passage`
- **2024-04-16** Called from the calendar.
- **2024-04-10** Scheduled for floor debate on 04/16/2024.
- **2024-04-10** Notice given.
- **2024-04-10** Read by title, returned to the calendar.
- **2024-04-09** Scheduled for floor debate on 04/10/2024.
- **2024-04-08** Read by title, amended, ordered engrossed, passed to 3rd reading. `reading-3`
- **2024-04-04** Reported with amendments (11-0). `committee-passage-favorable`
- **2024-03-11** Read by title, under the rules, referred to the Committee on Natural Resources and Environment. `referral-committee`
- **2024-03-01** Under the rules, provisionally referred to the Committee on Natural Resources and Environment. `referral-committee`
- **2024-03-01** Prefiled. `filing`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/51ba66a8-141d-478d-bf85-3632b9822347`. Confidence: reported (aggregated from official Louisiana legislature records).