---
type: "Bill"
title: "Grossly Negligent or Drunk or Drugged Operation of Vehicle or Vessel - Prior Convictions"
description: "Grossly Negligent or Drunk or Drugged Operation of Vehicle or Vessel - Prior Convictions"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2023"
identifier: "HB 483"
citation: "Maryland HB 483 (2023)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Bagnall", "Bartlett", "Chisholm", "D. Jones", "Fennell", "Guyton", "Guzzone", "Harris", "Kaiser", "Kipke", "Lehman", "Phillips", "Rogers", "Schmidt", "Simmons", "T. Morgan"]
version_count: 3
action_count: 12
vote_count: 0
first_action: "2023-01-30"
last_action: "2023-05-08"
source: "openstates"
source_identifier: "ocd-bill/25417620-96df-4fa2-ade5-4d08cbf46b8c"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0483?ys=2023RS&search=True"
source_hash: "953ef7f05019c842accf265f486d2b36072cfb2853d418446fda211cca6a6607"
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-md"]
---

# Maryland HB 483 (2023) — Grossly Negligent or Drunk or Drugged Operation of Vehicle or Vessel - Prior Convictions

## Version chain

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

1. **Chapter - Grossly Negligent or Drunk or Drugged Operation of Vehicle or Vessel - Prior Convictions** (committee substitute) — [source](http://mgaleg.maryland.gov/2023RS/Chapters_noln/CH_552_hb0483t.pdf)
2. **First - Grossly Negligent or Drunk or Drugged Operation of Vehicle or Vessel - Prior Convictions** (committee substitute) — [source](http://mgaleg.maryland.gov/2023RS/bills/hb/hb0483f.pdf)
3. **Third - Grossly Negligent or Drunk or Drugged Operation of Vehicle or Vessel - Prior Convictions** (committee substitute) — [source](http://mgaleg.maryland.gov/2023RS/bills/hb/hb0483t.pdf)

## Sponsors

- Bagnall — primary (person)
- Bartlett — primary (person)
- Chisholm — primary (person)
- D. Jones — primary (person)
- Fennell — primary (person)
- Guyton — primary (person)
- Guzzone — primary (person)
- Harris — primary (person)
- Kaiser — primary (person)
- Kipke — primary (person)
- Lehman — primary (person)
- Phillips — primary (person)
- Rogers — primary (person)
- Schmidt — primary (person)
- Simmons — primary (person)
- T. Morgan — primary (person)

## Timeline

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

- **2023-01-30** First Reading Judiciary `referral-committee`
- **2023-02-01** Hearing 2/08 at 1:00 p.m.
- **2023-02-01** Hearing 2/08 at 1:00 p.m.
- **2023-02-20** Favorable Report by Judiciary `committee-passage-favorable`
- **2023-02-21** Favorable Adopted Second Reading Passed `committee-passage-favorable`
- **2023-02-23** Third Reading Passed `passage`
- **2023-02-24** Referred Judicial Proceedings `referral-committee`
- **2023-04-05** Favorable Report by Judicial Proceedings `committee-passage-favorable`
- **2023-04-05** Favorable Adopted Second Reading Passed `committee-passage-favorable`
- **2023-04-07** Third Reading Passed `passage`
- **2023-04-08** Returned Passed
- **2023-05-08** Approved by the Governor - Chapter 552 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/25417620-96df-4fa2-ade5-4d08cbf46b8c`. Confidence: reported (aggregated from official Maryland legislature records).