---
type: "Bill"
title: "Motor vehicles; prohibiting manufacturer from denying a claim or implementing chargeback against auto dealer for failure of purchaser of new car to comply with title and registration law. Effective date."
description: "Motor vehicles; prohibiting manufacturer from denying a claim or implementing chargeback against auto dealer for failure of purchaser of new car to comply with title and registration law. Effective date."
jurisdiction: "us/states/ok"
legislature: "Oklahoma Legislature"
session: "2023"
identifier: "SB 593"
citation: "Oklahoma SB 593 (2023)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Dobrinski", "Thompson (Roger)"]
version_count: 8
action_count: 20
vote_count: 0
first_action: "2023-02-06"
last_action: "2023-04-19"
source: "openstates"
source_identifier: "ocd-bill/afb5ace7-cc15-4ee2-83cd-cd09ecef9338"
source_url: "http://www.oklegislature.gov/BillInfo.aspx?Bill=SB593&session=2300"
source_hash: "0edc098ef51cd1c19899f41a11d534c6ee592bac8bc55745efa124632435450a"
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 SB 593 (2023) — Motor vehicles; prohibiting manufacturer from denying a claim or implementing chargeback against auto dealer for failure of purchaser of new car to comply with title and registration law. Effective date.

## 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/2023-24 INT/SB/SB593 INT.PDF)
2. **Committee Amendment** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2023-24 COMMITTEE AMENDMENTS/Senate/SB593 PCS.PDF)
3. **Committee Substitute** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2023-24 COMMITTEE SUBS/SCS/SB593 CS.PDF)
4. **Engrossed** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2023-24 ENGR/SB/SB593 ENGR.PDF)
5. **Enrolled (final version)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2023-24 ENR/SB/SB593 ENR.PDF)
6. **Floor (House)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2023-24 FLR/HFLR/SB593 HFLR.PDF)
7. **Floor (Senate)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2023-24 FLR/SFLR/SB593 SFLR.PDF)
8. **SB593 (3-20-23) (THOMPSON R) FS FA1.PDF** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2023-24 FLOOR AMENDMENTS/Senate/SB593 (3-20-23) (THOMPSON R) FS FA1.PDF)

## Sponsors

- Dobrinski — primary (person)
- Thompson (Roger) — primary (person)

## Timeline

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

- **2023-02-06** First Reading `introduction, reading-1`
- **2023-02-06** Authored by Senator Thompson (Roger)
- **2023-02-07** Second Reading referred to Business and Commerce `reading-2, referral-committee`
- **2023-02-08** Coauthored by Representative Dobrinski (principal House author)
- **2023-02-27** Reported Do Pass, amended by committee substitute Business and Commerce committee; CR filed `committee-passage`
- **2023-03-22** General Order, Amended by Floor Substitute
- **2023-03-22** Measure passed: Ayes: 46 Nays: 1 `passage`
- **2023-03-22** Referred for engrossment
- **2023-03-23** Engrossed to House `passage`
- **2023-03-23** First Reading `introduction, reading-1`
- **2023-03-29** Second Reading referred to Business and Commerce `reading-2, referral-committee`
- **2023-04-05** CR; Do Pass Business and Commerce Committee `committee-passage`
- **2023-04-17** General Order
- **2023-04-17** Third Reading, Measure passed: Ayes: 97 Nays: 0 `passage, reading-3`
- **2023-04-17** Signed, returned to Senate
- **2023-04-17** Referred for enrollment
- **2023-04-18** Signed, returned to Senate
- **2023-04-18** Enrolled, to House
- **2023-04-18** Sent to Governor `executive-receipt`
- **2023-04-19** Approved by Governor 04/19/2023 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/afb5ace7-cc15-4ee2-83cd-cd09ecef9338`. Confidence: reported (aggregated from official Oklahoma legislature records).