---
type: "Bill"
title: "relative to the membership and duties of the trauma medical review committee and establishing a study committee to review the membership and duties of other boards and an appointment related to emergency medical services."
description: "relative to the membership and duties of the trauma medical review committee and establishing a study committee to review the membership and duties of other boards and an appointment related to emergency medical services."
jurisdiction: "us/states/nh"
legislature: "New Hampshire General Court"
session: "2026"
identifier: "SB 421"
citation: "New Hampshire SB 421 (2026)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: []
version_count: 4
action_count: 16
vote_count: 0
first_action: "2025-11-21"
last_action: "2026-06-08"
source: "openstates"
source_identifier: "ocd-bill/83d2d97a-6421-488e-a0ef-f8f2f8c31684"
source_url: "https://gc.nh.gov/bill_Status/billinfo.aspx?id=1415&inflect=2"
source_hash: "8289f9708b9355ecd001576a193a93057fae97ff7d7fc0f78cd9d378db6e8c81"
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-nh"]
---

# New Hampshire SB 421 (2026) — relative to the membership and duties of the trauma medical review committee and establishing a study committee to review the membership and duties of other boards and an appointment related to emergency medical services.

## Version chain

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

1. **Introduced** (filed) — [source](https://gc.nh.gov/bill_Status/pdf.aspx?id=21957&q=billVersion)
2. **As Amended by the Senate** (committee substitute) — [source](https://gc.nh.gov/bill_Status/pdf.aspx?id=26540&q=billVersion)
3. **CHAPTERED FINAL VERSION** (committee substitute) — [source](https://gc.nh.gov/bill_Status/pdf.aspx?id=33642&q=billVersion)
4. **Version adopted by both bodies** (committee substitute) — [source](https://gc.nh.gov/bill_Status/pdf.aspx?id=32281&q=billVersion)

## Timeline

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

- **2025-11-21** Introduced 01/07/2026 and Referred to Executive Departments and Administration; SJ 1 `introduction, referral-committee`
- **2026-01-08** Hearing: 01/14/2026, Room 103, SH, 09:30 am; SC 1
- **2026-01-29** Committee Report: Ought to Pass with Amendment # 2026-0372s, 02/05/2026; Vote 4-0; CC; SC 4 `committee-passage-favorable`
- **2026-02-05** Ought to Pass with Amendment #2026-0372s, MA, VV; OT3rdg; 02/05/2026; SJ 3 `committee-passage-favorable, passage`
- **2026-02-05** Committee Amendment # 2026-0372s, AA, VV; 02/05/2026; SJ 3
- **2026-02-26** Introduced (in recess of) 02/19/2026 and referred to Health, Human Services and Elderly Affairs HJ 5 P. 124 `introduction, referral-committee`
- **2026-03-18** Public Hearing: 03/25/2026 10:00 am GP 158
- **2026-04-07** Executive Session: 04/15/2026 10:00 am GP 158
- **2026-04-22** Majority Committee Report: Inexpedient to Legislate 04/15/2026 (Vote 10-8; RC) HC 18 P. 13 `committee-failure`
- **2026-04-22** Minority Committee Report: Ought to Pass `committee-passage-favorable`
- **2026-05-07** Lay HB421 on Table (Rep. Mazur): MF DV 164-178 05/07/2026 HJ 12 `deferral`
- **2026-05-07** Inexpedient to Legislate: MF DV 158-183 05/07/2026 HJ 12 `failure`
- **2026-05-07** Ought to Pass: MA VV 05/07/2026 HJ 12 `committee-passage-favorable, passage`
- **2026-05-21** Enrolled Adopted, VV, (In recess 05/14/2026); SJ 13 `enrolled`
- **2026-05-21** Enrolled (in recess of) 05/14/2026 HJ 13
- **2026-06-08** Signed by the Governor on 06/05/2026; Chapter 124; Effective 06/05/2026 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/83d2d97a-6421-488e-a0ef-f8f2f8c31684`. Confidence: reported (aggregated from official New Hampshire legislature records).