---
type: "Bill"
title: "relative to catalytic converters."
description: "relative to catalytic converters."
jurisdiction: "us/states/nh"
legislature: "New Hampshire General Court"
session: "2023"
identifier: "SB 188"
citation: "New Hampshire SB 188 (2023)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Donovan Fenton"]
version_count: 1
action_count: 18
vote_count: 0
first_action: "2023-01-20"
last_action: "2023-08-09"
source: "openstates"
source_identifier: "ocd-bill/c92ed5fb-fefc-434c-81e8-3732be45916c"
source_url: "https://www.gencourt.state.nh.us/bill_status/legacy/bs2016/bill_status.aspx?lsr=1049&sy=2023&sortoption=&txtsessionyear=2023"
source_hash: "53a1d6795020f5162fd6c5c965510a5f513877c703ac6dcb830ffe37dc09e176"
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 188 (2023) — relative to catalytic converters.

## Version chain

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

1. **Amendment #2023-1839h** (committee substitute) — [source](https://www.gencourt.state.nh.us/bill_status/legacy/bs2016/billText.aspx?sy=2023&id=2023-1839h&txtFormat=amend)

## Sponsors

- Donovan Fenton — primary (person)
- David H. Watters — cosponsor (person)
- Denise Ricciardi — cosponsor (person)
- George E. Sykes — cosponsor (person)
- Suzanne M. Prentiss — cosponsor (person)

## Timeline

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

- **2023-01-20** Introduced 01/19/2023 and Referred to Transportation; SJ 5 `introduction, referral-committee`
- **2023-01-24** Hearing: 01/31/2023, Room 101, LOB, 02:00 pm; SC 8
- **2023-02-08** Committee Report: Ought to Pass with Amendment # 2023-0424s, 02/09/2023; Vote 5-0; CC; SC 9A `committee-passage-favorable, passage`
- **2023-02-09** Ought to Pass with Amendment 2023-0424s, MA, VV; Refer to Finance Rule 4-5; 02/09/2023; SJ 6 `committee-passage-favorable, passage`
- **2023-02-09** Committee Amendment # 2023-0424s, AA, VV; 02/09/2023; SJ 6
- **2023-02-22** Committee Report: Ought to Pass with Amendment # 2023-0650s, 03/09/2023; SC 12 `committee-passage-favorable, passage`
- **2023-03-09** Committee Amendment # 2023-0650s, AA, VV; 03/09/2023; SJ 9
- **2023-03-09** Ought to Pass with Amendment 2023-0650s, MA, VV; OT3rdg; 03/09/2023; SJ 9 `committee-passage-favorable, passage`
- **2023-03-20** Introduced (in recess of) 03/16/2023 and referred to Transportation `introduction, referral-committee`
- **2023-04-11** Public Hearing: 04/18/2023 11:00 am LOB 201-203
- **2023-05-03** Executive Session: 05/16/2023 10:00 am LOB 201-203
- **2023-05-19** Committee Report: Ought to Pass with Amendment # 2023-1839h 05/16/2023 (Vote 20-0; CC) `committee-passage-favorable, passage`
- **2023-06-08** Amendment # 2023-1839h: AA VV 06/08/2023 HJ 15 P. 17
- **2023-06-08** Ought to Pass with Amendment 2023-1839h: MA VV 06/08/2023 HJ 15 P. 17 `committee-passage-favorable, passage`
- **2023-06-15** Sen. Ricciardi Moved to Concur with the House Amendment, MA, VV; 06/15/2023; SJ 19
- **2023-07-18** Enrolled Adopted, VV, (In recess 06/29/2023); SJ 20 `enrolled`
- **2023-07-19** Enrolled (in recess of) 06/29/2023 HJ 17 P. 18
- **2023-08-09** Signed by the Governor on 08/04/2023; Chapter 0221; Effective 08/04/2023 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/c92ed5fb-fefc-434c-81e8-3732be45916c`. Confidence: reported (aggregated from official New Hampshire legislature records).