---
type: "Bill"
title: "Relating to certain regulations regarding commercial driver's licenses."
description: "Relating to certain regulations regarding commercial driver's licenses."
jurisdiction: "us/states/tx"
legislature: "Texas Legislature"
session: "88"
identifier: "HB 3646"
citation: "Texas HB 3646 (88)"
classification: ["bill"]
subjects: ["PUBLIC SAFETY", "DEPARTMENT OF (V0251)", "Vehicles & Traffic--Driver's Licenses (I0840)"]
status: "enacted"
primary_sponsors: ["Guillen", "LaMantia"]
version_count: 5
action_count: 48
vote_count: 1
first_action: "2023-03-06"
last_action: "2023-06-11"
source: "openstates"
source_identifier: "ocd-bill/68e9638a-8526-4199-b1fb-b6ad40dec11c"
source_url: "ftp://ftp.legis.state.tx.us/bills/88R/billhistory/house_bills/HB03600_HB03699/HB 3646.xml"
source_hash: "483253a1e2782041cbc5a24ef2e6f292708c8d190b83b8b7a0b8bf82dab25142"
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-tx"]
---

# Texas HB 3646 (88) — Relating to certain regulations regarding commercial driver's licenses.

## Version chain

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

1. **Introduced** (filed) — [source](http://capitol.texas.gov/tlodocs/88R/billtext/html/HB03646I.HTM)
2. **Engrossed** (committee substitute) — [source](http://capitol.texas.gov/tlodocs/88R/billtext/html/HB03646E.HTM)
3. **House Committee Report** (committee substitute) — [source](http://capitol.texas.gov/tlodocs/88R/billtext/html/HB03646H.HTM)
4. **Senate Committee Report** (committee substitute) — [source](http://capitol.texas.gov/tlodocs/88R/billtext/html/HB03646S.HTM)
5. **Enrolled** (enrolled) — [source](http://capitol.texas.gov/tlodocs/88R/billtext/html/HB03646F.HTM)

## Votes

- passage — **138–6** (pass) · lower

## Sponsors

- Guillen — primary (person)
- LaMantia — primary (person)

## Timeline

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

- **2023-03-06** Filed `filing`
- **2023-03-16** Read first time `introduction, reading-1`
- **2023-03-16** Referred to Homeland Security & Public Safety `referral-committee`
- **2023-04-11** Considered in public hearing
- **2023-04-11** Testimony taken/registration(s) recorded in committee
- **2023-04-11** Left pending in committee
- **2023-04-13** Considered in formal meeting
- **2023-04-13** Recommended to be sent to Local & Consent `referral-committee`
- **2023-04-13** Reported favorably w/o amendment(s) `committee-passage, committee-passage-favorable`
- **2023-04-24** Comte report filed with Committee Coordinator `filing`
- **2023-04-24** Committee report distributed
- **2023-04-25** Comm. report sent to Local & Consent Calendar
- **2023-04-28** Considered in Local & Consent Calendars
- **2023-05-02** Placed on Local, Consent, and Res. Calendar
- **2023-05-02** Read 2nd time `reading-2`
- **2023-05-02** Passed to engrossment
- **2023-05-02** Nonrecord vote recorded in Journal
- **2023-05-02** Read 3rd time `reading-3`
- **2023-05-02** Passed `passage`
- **2023-05-02** Record vote
- **2023-05-02** Statement(s) of vote recorded in Journal
- **2023-05-02** Nonrecord vote recorded in Journal
- **2023-05-02** Reported engrossed
- **2023-05-03** Received from the House `introduction`
- **2023-05-05** Read first time `introduction, reading-1`
- **2023-05-05** Referred to Transportation `referral-committee`
- **2023-05-17** Scheduled for public hearing on . . .
- **2023-05-17** Considered in public hearing
- **2023-05-17** Vote taken in committee
- **2023-05-17** Reported favorably w/o amendments `committee-passage-favorable`
- **2023-05-17** Recommended for local & uncontested calendar
- **2023-05-17** Committee report printed and distributed
- **2023-05-21** Placed on local & uncontested calendar
- **2023-05-21** Laid before the Senate `receipt`
- **2023-05-21** Read 2nd time & passed to 3rd reading `reading-2`
- **2023-05-21** Vote recorded in Journal
- **2023-05-21** Three day rule suspended
- **2023-05-21** Record vote
- **2023-05-21** Read 3rd time `reading-3`
- **2023-05-21** Passed `passage`
- **2023-05-21** Record vote
- **2023-05-22** Senate passage reported `passage`
- **2023-05-23** Reported enrolled `enrolled`
- **2023-05-25** Signed in the House `passage`
- **2023-05-26** Signed in the Senate `passage`
- **2023-05-26** Sent to the Governor `executive-receipt`
- **2023-06-11** Signed by the Governor `executive-signature`
- **2023-06-11** Effective on 9/1/23 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/68e9638a-8526-4199-b1fb-b6ad40dec11c`. Confidence: reported (aggregated from official Texas legislature records).