---
type: "Bill"
title: "INSURERS: Requires health insurers to cover proton therapy for cancer patients. (8/1/25) (EN NO IMPACT See Note)"
description: "INSURERS: Requires health insurers to cover proton therapy for cancer patients. (8/1/25) (EN NO IMPACT See Note)"
jurisdiction: "us/states/la"
legislature: "Louisiana Legislature"
session: "2025"
identifier: "SB 129"
citation: "Louisiana SB 129 (2025)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Thomas Pressly"]
version_count: 8
action_count: 21
vote_count: 3
first_action: "2025-04-04"
last_action: "2025-06-08"
source: "openstates"
source_identifier: "ocd-bill/94cbb95a-a6cb-48af-b7f4-4da49556fde8"
source_url: "https://www.legis.la.gov/Legis/BillInfo.aspx?i=248479"
source_hash: "bb429d9e30a17a478b1273b70c75d489fd3440161dc8e803317eae91800ed2c8"
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 SB 129 (2025) — INSURERS: Requires health insurers to cover proton therapy for cancer patients. (8/1/25) (EN NO IMPACT See Note)

## Version chain

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

1. **SB129 Original** (filed) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1403788)
2. **House Committee Amendment, #3262, INS, Draft** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1416670)
3. **House Committee Amendment, #3339, INS, Adopted** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1417299)
4. **SB129 Act** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1424985)
5. **SB129 Engrossed** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1407604)
6. **Senate Committee Amendment, #777, INS, Draft** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1407457)
7. **Senate Committee Amendment, #794, INS, Adopted** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1407531)
8. **SB129 Enrolled** (enrolled) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1421305)

## Votes

- FINAL PASSAGE (#759) — **97–2** (pass) · lower
- FINAL PASSAGE (#175) — **35–0** (pass) · upper
- CONCUR (#636) — **37–0** (pass) · upper

## Sponsors

- Thomas Pressly — primary (person)
- Tehmi Chassion — cosponsor (person)

## Timeline

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

- **2025-06-08** Effective date 8/1/2025.
- **2025-06-08** Signed by the Governor. Becomes Act No. 112. `became-law, executive-signature`
- **2025-06-08** Sent to the Governor by the Secretary of the Senate on 6/5/2025. `executive-receipt`
- **2025-06-08** Signed by the Speaker of the House.
- **2025-06-04** Enrolled. Signed by the President of the Senate. `enrolled`
- **2025-06-03** Amendments proposed by the House read and concurred in by a vote of 37 yeas and 0 nays.
- **2025-06-02** Received from the House with amendments. `receipt`
- **2025-06-02** Read third time by title, roll called on final passage, yeas 97, nays 2. Finally passed, ordered to the Senate. `passage`
- **2025-05-28** Scheduled for floor debate on 06/02/2025.
- **2025-05-27** Read by title, amended, passed to 3rd reading. `reading-3`
- **2025-05-22** Reported without Legislative Bureau amendments.
- **2025-05-21** Reported with amendments (11-0). Referred to the Legislative Bureau. `committee-passage-favorable`
- **2025-05-08** Read by title, under the rules, referred to the Committee on Insurance. `referral-committee`
- **2025-05-07** Received in the House from the Senate, read by title, lies over under the rules.
- **2025-05-07** Read by title, passed by a vote of 35 yeas and 0 nays, and sent to the House. Motion to reconsider tabled. `passage`
- **2025-05-05** Read by title and passed to third reading and final passage. `reading-3`
- **2025-05-05** Rules suspended. Recalled from Committee.
- **2025-04-28** Read by title. Committee amendments read and adopted; ordered engrossed and recommitted to the Committee on Finance.
- **2025-04-23** Reported with amendments. `committee-passage-favorable`
- **2025-04-14** Introduced in the Senate; read by title. Rules suspended. Read second time and referred to the Committee on Insurance. `referral-committee`
- **2025-04-04** Prefiled and under the rules provisionally referred to the Committee on Insurance. `filing, referral-committee`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/94cbb95a-a6cb-48af-b7f4-4da49556fde8`. Confidence: reported (aggregated from official Louisiana legislature records).