---
type: "Bill"
title: "requiring workers' compensation to cover prophylactic treatment for critical exposure"
description: "requiring workers' compensation to cover prophylactic treatment for critical exposure"
jurisdiction: "us/states/nh"
legislature: "New Hampshire General Court"
session: "2022"
identifier: "HB 589"
citation: "New Hampshire HB 589 (2022)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Michael D. Cahill"]
version_count: 2
action_count: 16
vote_count: 0
first_action: "2021-01-13"
last_action: "2022-04-12"
source: "openstates"
source_identifier: "ocd-bill/8d950703-8f2e-4a7c-bc04-f29088e1183f"
source_url: "http://www.gencourt.state.nh.us/bill_status/legacy/bs2016/bill_status.aspx?lsr=0198&sy=2022&sortoption=&txtsessionyear=2022"
source_hash: "3d402d6c6dca46ffbdb21c1e5fe75cc3b6f88d1431762a0fb20977e04a9ed3bf"
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 HB 589 (2022) — requiring workers' compensation to cover prophylactic treatment for critical exposure

## Version chain

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

1. **Amendment #2021-2131h** (committee substitute) — [source](http://www.gencourt.state.nh.us/bill_status/legacy/bs2016/billText.aspx?sy=2022&id=2021-2131h&txtFormat=amend)
2. **latest version** (committee substitute) — [source](http://www.gencourt.state.nh.us/bill_status/legacy/bs2016/billText.aspx?sy=2022&id=198&txtFormat=html)

## Sponsors

- Michael D. Cahill — primary (person)
- Alexis Simpson — cosponsor (person)
- Jeffrey P. Goley — cosponsor (person)
- John Reagan — cosponsor (person)
- Mark A. Pearson — cosponsor (person)
- Patrick F. Abrami — cosponsor (person)
- Stephen C. Pearson — cosponsor (person)

## Timeline

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

- **2021-01-13** Introduced (in recess of) 01/06/2021 and referred to Labor, Industrial and Rehabilitative Services HJ 2 P. 55 `introduction, referral-committee`
- **2021-02-03** Public Hearing: 02/11/2021 10:00 am Members of the public may attend using the following link:To join the webinar: https://www.zoom.us/j/98476278055 / Executive session on pending legislation may be held throughout the day (time permitting) from the time the committee is initially convened.
- **2021-03-04** Executive Session: 03/04/2021 09:30 am Members of the public may attend using the following link:To join the webinar: https://www.zoom.us/j/92992494588
- **2021-03-04** Retained in Committee
- **2021-08-04** ==ROOM CHANGE== Full Committee Work Session: 09/16/2021 11:00 am LOB 201-203
- **2021-09-23** Executive Session: 09/23/2021 03:00 pm LOB 305-307
- **2021-11-01** Committee Report: Ought to Pass with Amendment # 2021-2131h 10/12/2021 (Vote 16-6; CC) HC 48 P. 37 `committee-passage-favorable`
- **2022-01-09** Amendment # 2021-2131h: AA VV 01/06/2022 HJ 1
- **2022-01-09** Ought to Pass with Amendment 2021-2131h: MA DV 211-133 01/06/2022 HJ 1 `passage`
- **2022-01-18** Introduced 01/05/2022 and Referred to Commerce; SJ 2 `introduction, referral-committee`
- **2022-02-23** Hearing: 03/08/2022, Room 100, SH, 09:15 am; SC 9
- **2022-03-08** Committee Report: Ought to Pass, 03/17/2022; Vote 5-0; CC; SC 11 `committee-passage-favorable`
- **2022-03-17** Ought to Pass: MA, VV; OT3rdg; 03/17/2022; SJ 5 `passage`
- **2022-04-01** Enrolled Adopted, VV, (In recess 03/31/2022); SJ 8
- **2022-04-04** Enrolled (in recess of) 03/31/2022 HJ 9
- **2022-04-12** Signed by Governor Sununu 04/11/2022; Chapter 15; 05/11/2022 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/8d950703-8f2e-4a7c-bc04-f29088e1183f`. Confidence: reported (aggregated from official New Hampshire legislature records).