---
type: "Bill"
title: "relative to cooperation with federal immigration authorities."
description: "relative to cooperation with federal immigration authorities."
jurisdiction: "us/states/nh"
legislature: "New Hampshire General Court"
session: "2025"
identifier: "HB 511"
citation: "New Hampshire HB 511 (2025)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Joe Sweeney"]
version_count: 1
action_count: 21
vote_count: 4
first_action: "2025-01-14"
last_action: "2025-05-22"
source: "openstates"
source_identifier: "ocd-bill/48cf5669-5ce3-4dcb-984a-4592bf125ba0"
source_url: "https://www.gencourt.state.nh.us/bill_status/legacy/bs2016/bill_docket.aspx?lsr=0594&sy=2025&sortoption=&txtsessionyear=2025"
source_hash: "18f08c507d59eb8b640c93924c368a7156652c5b2b2a57f45a27cf77c2884f63"
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 511 (2025) — relative to cooperation with federal immigration authorities.

## Version chain

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

1. **Amendment #2025-0785h** (committee substitute) — [source](https://www.gencourt.state.nh.us/bill_status/legacy/bs2016/billText.aspx?sy=2025&id=2025-0785h&txtFormat=amend)

## Votes

- Ought to Pass — **15–8** (pass) · upper
- OTPA — **351–6** (pass) · lower
- OTP — **211–161** (pass) · lower
- Adopt Amendment — **36–337** (fail) · lower

## Sponsors

- Joe Sweeney — primary (person)
- Bill M. Gannon — cosponsor (person)
- Daryl Abbas — cosponsor (person)
- Donald S McFarlane — cosponsor (person)
- Ross Berry — cosponsor (person)
- Thomas C Walsh — cosponsor (person)

## Timeline

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

- **2025-01-14** Introduced (in recess of) 01/09/2025 and referred to Criminal Justice and Public Safety HJ 3 P. 13 `introduction, referral-committee`
- **2025-01-14** Public Hearing: 01/22/2025 03:30 pm LOB 301-303
- **2025-01-29** Executive Session: 01/24/2025 08:00 am LOB 301-303
- **2025-01-29** Committee Report: Ought to Pass with Amendment # 2025-0079h 01/24/2025 (Vote 16-0; RC) HC 10 P. 7 `committee-passage-favorable`
- **2025-02-06** Amendment # 2025-0079h: AA DV 356-0 02/06/2025 HJ 4 P. 8
- **2025-02-06** Ought to Pass with Amendment 2025-0079h: MA RC 351-6 02/06/2025 HJ 4 P. 8 `committee-passage-favorable, passage`
- **2025-02-06** Referred to Finance 02/06/2025 HJ 4 P. 12 `referral-committee`
- **2025-02-27** Division I Work Session: 03/05/2025 01:00 pm LOB 212
- **2025-03-12** Division I Work Session: 03/14/2025 10:00 am LOB 212
- **2025-03-26** Executive Session: 04/01/2025 10:00 am LOB 210-211
- **2025-04-03** Majority Committee Report: Ought to Pass with Amendment # 2025-0785h 04/02/2025 (Vote 14-11; RC) HC 19 P. 16 `committee-passage-favorable`
- **2025-04-03** Minority Committee Report: Inexpedient to Legislate
- **2025-04-10** Amendment # 2025-0785h: AF RC 36-337 04/10/2025 HJ 12 P. 36
- **2025-04-10** Ought to Pass: MA RC 211-161 04/10/2025 HJ 12 P. 39 `committee-passage-favorable, passage`
- **2025-04-11** Introduced 03/27/2025 and Referred to Judiciary; SJ 10 `introduction, referral-committee`
- **2025-04-23** Hearing: 04/29/2025, Room 100, SH, 01:40 pm; SC 19
- **2025-05-13** Committee Report: Ought to Pass, 05/15/2025, Vote 3-2; SC 21A `committee-passage-favorable`
- **2025-05-15** Ought to Pass: RC 15Y-8N, MA; OT3rdg; 05/15/2025; SJ 13 `committee-passage-favorable, passage`
- **2025-05-21** Enrolled Adopted, VV, (In recess 05/15/2025); SJ 14 `enrolled`
- **2025-05-21** Enrolled (in recess of) 05/08/2025 HJ 14 P. 62
- **2025-05-22** Signed by Governor Ayotte 05/22/2025; Chapter 39; eff. 01/01/2026 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/48cf5669-5ce3-4dcb-984a-4592bf125ba0`. Confidence: reported (aggregated from official New Hampshire legislature records).