---
type: "Bill"
title: "relative to requiring enhanced technology ignition interlock devices."
description: "relative to requiring enhanced technology ignition interlock devices."
jurisdiction: "us/states/nh"
legislature: "New Hampshire General Court"
session: "2018"
identifier: "SB 346"
citation: "New Hampshire SB 346 (2018)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Regina Birdsell"]
version_count: 2
action_count: 16
vote_count: 0
first_action: "2017-12-08"
last_action: "2018-06-04"
source: "openstates"
source_identifier: "ocd-bill/ee9504c5-bdc9-421c-a417-237bd83da1fd"
source_url: "http://www.gencourt.state.nh.us/bill_Status/bill_status.aspx?lsr=2875&sy=2018&sortoption=&txtsessionyear=2018"
source_hash: "139f0ac5480f2de48de7ea5dc97f5fec3576d01578de4b236759c4e00a96136c"
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 346 (2018) — relative to requiring enhanced technology ignition interlock devices.

## Version chain

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

1. **Amendment #2018-0739s** (committee substitute) — [source](http://www.gencourt.state.nh.us/bill_status/billText.aspx?sy=2018&id=2018-0739s&txtFormat=amend)
2. **latest version** (committee substitute) — [source](http://www.gencourt.state.nh.us/bill_status/billText.aspx?sy=2018&id=1891&txtFormat=html)

## Sponsors

- Regina Birdsell — primary (person)
- David A. Welch — cosponsor (person)
- David H Watters — cosponsor (person)
- Dennis Green — cosponsor (person)
- Lou D'Allesandro — cosponsor (person)
- Peter E. Torosian — cosponsor (person)
- Sharon M Carson — cosponsor (person)

## Timeline

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

- **2017-12-08** To Be Introduced 01/03/2018 and Referred to Transportation; SJ 1 `introduction, referral-committee`
- **2017-12-28** ==CANCELLED== Hearing: 01/16/2018, Room 103, LOB, 01:40 pm; SC 1
- **2018-02-08** Hearing: 02/13/2018, Room 103, LOB, 01:00 pm; SC 7
- **2018-02-21** Committee Report: Ought to Pass with Amendment # 2018-0739s, 03/08/2018; Vote 5-0; CC; SC 9 `committee-passage-favorable`
- **2018-03-08** Committee Amendment # 2018-0739s, AA, VV; 03/08/2018; SJ 6
- **2018-03-08** Ought to Pass with Amendment 2018-0739s, MA, VV; OT3rdg; 03/08/2018; SJ 6 `passage`
- **2018-03-12** Introduced 03/07/2018 and referred to Criminal Justice and Public Safety HJ 7 P. 53 `introduction, referral-committee`
- **2018-03-20** Public Hearing: 03/27/2018 10:30 AM LOB 204
- **2018-04-04** Executive Session: 03/27/2018 LOB 204
- **2018-04-19** Committee Report: Ought to Pass for 04/26/2018 (Vote 15-1; CC) HC 16 P. 4 `committee-passage-favorable`
- **2018-04-26** Ought to Pass: MA VV 04/26/2018 `passage`
- **2018-05-09** Enrolled (In recess 05/03/2018); SJ 17
- **2018-05-09** Enrolled 05/03/2018
- **2018-06-04** Signed by the Governor on 05/30/2018; Chapter 0122 `executive-signature`
- **2018-06-04** I. Section 4 Effective 01/01/2022
- **2018-06-04** II. Remainder Effective 01/01/2019

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/ee9504c5-bdc9-421c-a417-237bd83da1fd`. Confidence: reported (aggregated from official New Hampshire legislature records).