---
type: "Bill"
title: "Motor vehicles; driving under the influence of alcohol or other intoxicating substance; removing provision to enhance punishment; emergency."
description: "Motor vehicles; driving under the influence of alcohol or other intoxicating substance; removing provision to enhance punishment; emergency."
jurisdiction: "us/states/ok"
legislature: "Oklahoma Legislature"
session: "2017-2018"
identifier: "HB 2643"
citation: "Oklahoma HB 2643 (2017-2018)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Roberts (Dustin)", "Treat"]
version_count: 6
action_count: 21
vote_count: 2
first_action: "2018-02-05"
last_action: "2018-04-23"
source: "openstates"
source_identifier: "ocd-bill/7506b146-5acb-4578-97da-7162c39314d5"
source_url: "http://www.oklegislature.gov/BillInfo.aspx?Bill=HB2643&session=1800"
source_hash: "f070e8a4b38bb10b6508e60970491ce28172d44ba2557e4a19f9c01a1d4a9032"
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-ok"]
---

# Oklahoma HB 2643 (2017-2018) — Motor vehicles; driving under the influence of alcohol or other intoxicating substance; removing provision to enhance punishment; emergency.

## Version chain

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

1. **Introduced** (filed) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2017-18 INT/hB/HB2643 INT.PDF)
2. **Engrossed** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2017-18 ENGR/hB/HB2643 ENGR.PDF)
3. **Enrolled (final version)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2017-18 ENR/hB/HB2643 ENR.PDF)
4. **Floor (House)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2017-18 FLR/HFLR/HB2643 HFLR.PDF)
5. **Floor (Senate)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2017-18 FLR/SFLR/HB2643 SFLR.PDF)
6. **House Committee Substitute** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2017-18 COMMITTEE SUBS/HCS/HB2643 CS.PDF)

## Votes

- THIRD READING — **38–0** (pass) · upper
- THIRD READING — **92–0** (pass) · lower

## Sponsors

- Roberts (Dustin) — primary (person)
- Treat — primary (person)

## Timeline

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

- **2018-02-05** First Reading `introduction, reading-1`
- **2018-02-05** Authored by Representative Roberts (Dustin)
- **2018-02-06** Second Reading referred to Rules `reading-2, referral-committee`
- **2018-02-26** CR; Do Pass, amended by committee substitute Rules Committee `committee-passage`
- **2018-02-26** Authored by Senator Treat (principal Senate author)
- **2018-02-26** Emergency added
- **2018-03-01** General Order
- **2018-03-01** Third Reading, Measure and Emergency passed: Ayes: 92 Nays: 0 `reading-3, passage`
- **2018-03-01** Referred for engrossment
- **2018-03-05** Engrossed, signed, to Senate `passage`
- **2018-03-05** First Reading `introduction, reading-1`
- **2018-03-20** Second Reading referred to Public Safety `reading-2, referral-committee`
- **2018-04-05** Reported Do Pass Public Safety committee; CR filed `committee-passage`
- **2018-04-16** General Order, Considered
- **2018-04-16** Measure and Emergency passed: Ayes: 38 Nays: 0 `passage`
- **2018-04-16** Engrossed measure signed, returned to House `passage`
- **2018-04-16** Referred for enrollment
- **2018-04-17** Enrolled, signed, to Senate
- **2018-04-17** Enrolled measure signed, returned to House
- **2018-04-17** Sent to Governor `executive-receipt`
- **2018-04-23** Approved by Governor 04/23/2018 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/7506b146-5acb-4578-97da-7162c39314d5`. Confidence: reported (aggregated from official Oklahoma legislature records).