---
type: "Bill"
title: "Motor Vehicles, Titling and Registration - As enacted, provides that a commercial driver license issued with a hazardous materials endorsement expires on the date the hazardous materials endorsement authorization expires. - Amends TCA Title 54; Title 55; Title 65 and Title 67."
description: "Motor Vehicles, Titling and Registration - As enacted, provides that a commercial driver license issued with a hazardous materials endorsement expires on the date the hazardous materials endorsement authorization expires. - Amends TCA Title 54; Title 55; Title 65 and Title 67."
jurisdiction: "us/states/tn"
legislature: "Tennessee General Assembly"
session: "113"
identifier: "SB 79"
citation: "Tennessee SB 79 (113)"
classification: ["bill"]
subjects: ["Motor Vehicles", "Titling and Registration"]
status: "enacted"
primary_sponsors: ["Massey"]
version_count: 3
action_count: 21
vote_count: 4
first_action: "2023-01-09"
last_action: "2023-05-17"
source: "openstates"
source_identifier: "ocd-bill/e65a0d0b-7bfb-4d5a-b7ec-8de491d3ffb5"
source_url: "http://wapp.capitol.tn.gov/apps/BillInfo/default.aspx?BillNumber=SB0079&GA=113"
source_hash: "28ddbc1747c4b4d09cf023daec941ded039bdf06e92762f9ae32dff18c85d17c"
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-tn"]
---

# Tennessee SB 79 (113) — Motor Vehicles, Titling and Registration - As enacted, provides that a commercial driver license issued with a hazardous materials endorsement expires on the date the hazardous materials endorsement authorization expires. - Amends TCA Title 54; Title 55; Title 65 and Title 67.

## Version chain

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

1. **Amendment HA0120** (committee substitute) — [source](https://www.capitol.tn.gov/Bills/113/Amend/HA0120.pdf)
2. **Amendment SA0023** (committee substitute) — [source](https://www.capitol.tn.gov/Bills/113/Amend/SA0023.pdf)
3. **Current Version** (committee substitute) — [source](https://www.capitol.tn.gov/Bills/113/Bill/SB0079.pdf)

## Votes

- FLOOR VOTE: REGULAR CALENDAR PASSAGE ON THIRD CONSIDERATION 4/20/2023 Passed (1) — **82–1** (pass) · lower
- TRANSPORTATION AND SAFETY COMMITTEE: Recommended for passage with amendment/s, refer to Senate Calendar Committee Ayes 7, Nays 0 PNV 0 2/15/2023 Passed — **7–0** (pass) · upper
- FLOOR VOTE: as Amended Third Consideration 2/23/2023 Passed — **32–0** (pass) · upper
- FLOOR VOTE: REGULAR CALENDAR PASSAGE ON THIRD CONSIDERATION 4/20/2023 Passed — **82–1** (pass) · lower

## Sponsors

- Massey — primary (person)

## Timeline

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

- **2023-01-09** Filed for introduction `filing`
- **2023-01-10** Introduced, Passed on First Consideration `introduction`
- **2023-01-11** Passed on Second Consideration, held on desk pending committee appointments `passage`
- **2023-01-20** Refer to Senate Transportation & Safety Committee
- **2023-02-08** Placed on Senate Transportation and Safety Committee calendar for 2/15/2023
- **2023-02-15** Recommended for passage with amendment/s, refer to Senate Calendar Committee Ayes 7, Nays 0 PNV 0
- **2023-02-21** Placed on Senate Regular Calendar for 2/23/2023
- **2023-02-23** Engrossed; ready for transmission to House `receipt`
- **2023-02-23** Passed Senate as amended, Ayes 32, Nays 0 `passage`
- **2023-02-23** Senate adopted Amendment (Amendment 1 - SA0023)
- **2023-02-27** Rcvd. from S., held on H. desk.
- **2023-04-20** Passed H., Ayes 82, Nays 1, PNV 0 `passage`
- **2023-04-20** Am. withdrawn. (Amendment 1 - HA0120) `amendment-withdrawal`
- **2023-04-20** Subst. for comp. HB. `substitution`
- **2023-04-21** Signed by H. Speaker `passage`
- **2023-04-21** Signed by Senate Speaker `passage`
- **2023-04-21** Enrolled and ready for signatures `enrolled`
- **2023-04-24** Transmitted to Governor for action. `executive-receipt`
- **2023-05-05** Signed by Governor. `executive-signature`
- **2023-05-17** Effective date(s) 01/01/2024
- **2023-05-17** Pub. Ch. 333

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/e65a0d0b-7bfb-4d5a-b7ec-8de491d3ffb5`. Confidence: reported (aggregated from official Tennessee legislature records).