---
type: "Bill"
title: "Vehicles: catalytic converters."
description: "Existing law requires a core recycler that accepts, ships, or sells used catalytic converters to maintain specified information regarding the purchase and sale of the catalytic converters. Existing law prohibits a core recycler from providing payment for a catalytic converter unless, among other requirements, the payment is made by check, as specified."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20232024"
identifier: "SB 55"
citation: "California SB 55 (20232024)"
classification: ["bill"]
subjects: ["Vehicles", "catalytic converters"]
status: "enacted"
primary_sponsors: ["Umberg"]
version_count: 9
action_count: 33
vote_count: 7
first_action: "2022-12-06"
last_action: "2023-10-13"
source: "openstates"
source_identifier: "ocd-bill/d3faeb18-9dc3-45b5-90e3-a3cd7eb95413"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202320240SB55"
source_hash: "ea9d0d739a7e88b6353455ad89706a01d975b0e26d228faa7916285d00b7f246"
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-ca"]
---

# California SB 55 (20232024) — Vehicles: catalytic converters.

Existing law requires a core recycler that accepts, ships, or sells used catalytic converters to maintain specified information regarding the purchase and sale of the catalytic converters. Existing law prohibits a core recycler from providing payment for a catalytic converter unless, among other requirements, the payment is made by check, as specified.

## Version chain

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

1. **12/06/22 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240SB55&version=20230SB5599INT)
2. **03/13/23 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240SB55&version=20230SB5598AMD)
3. **03/28/23 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240SB55&version=20230SB5597AMD)
4. **04/10/23 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240SB55&version=20230SB5596AMD)
5. **06/19/23 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240SB55&version=20230SB5595AMD)
6. **07/05/23 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240SB55&version=20230SB5594AMD)
7. **10/13/23 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240SB55&version=20230SB5592CHP)
8. **SB55** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202320240SB55)
9. **09/11/23 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240SB55&version=20230SB5593ENR)

## Votes

- Do pass, but first be re-referred to the Committee on [Public Safety] — **15–0** (pass) · upper
- SB 55 Umberg Consent Calendar Second Day — **73–0** (pass) · lower
- Special Consent SB55 Umberg et al. — **40–0** (pass) · upper
- 3rd Reading SB55 Umberg et al. — **39–0** (pass) · upper
- Do pass and be re-referred to the Committee on [Public Safety] with recommendation: To Consent Calendar — **15–0** (pass) · lower
- Do pass, but first be re-referred to the Committee on [Appropriations] — **5–0** (pass) · upper
- Do pass. To Consent Calendar. — **15–0** (pass) · lower

## Sponsors

- Umberg — primary (person)
- Allen — coauthor (person)
- Archuleta — coauthor (person)
- Connolly — coauthor (person)
- Cortese — coauthor (person)
- Dodd — coauthor (person)
- Jones — coauthor (person)
- Portantino — author (person)
- Santiago — coauthor (person)
- Schiavo — coauthor (person)
- Stern — coauthor (person)

## Timeline

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

- **2022-12-06** Introduced. To Com. on RLS. for assignment. To print. `introduction`
- **2022-12-07** From printer. May be acted upon on or after January 6.
- **2023-01-04** Read first time. `reading-1`
- **2023-01-18** Referred to Coms. on TRANS. and PUB S. `referral-committee`
- **2023-03-07** Set for hearing March 28.
- **2023-03-13** From committee with author's amendments. Read second time and amended. Re-referred to Com. on TRANS. `amendment-passage, committee-passage, reading-1, reading-2, referral-committee`
- **2023-03-20** March 28 hearing postponed by committee.
- **2023-03-21** Set for hearing April 11.
- **2023-03-28** From committee with author's amendments. Read second time and amended. Re-referred to Com. on TRANS. `amendment-passage, committee-passage, reading-1, reading-2, referral-committee`
- **2023-04-10** From committee with author's amendments. Read second time and amended. Re-referred to Com. on TRANS. `amendment-passage, committee-passage, reading-1, reading-2, referral-committee`
- **2023-04-12** From committee: Do pass and re-refer to Com. on PUB S. (Ayes 15. Noes 0. Page 688.) (April 11). Re-referred to Com. on PUB S. `committee-passage, committee-passage-favorable, referral-committee`
- **2023-04-13** Set for hearing April 25.
- **2023-04-26** From committee: Do pass and re-refer to Com. on APPR. (Ayes 5. Noes 0. Page 900.) (April 25). Re-referred to Com. on APPR. `committee-passage, committee-passage-favorable, referral-committee`
- **2023-05-01** Set for hearing May 8.
- **2023-05-08** From committee: Be ordered to second reading pursuant to Senate Rule 28.8. `committee-passage, reading-2`
- **2023-05-09** Read second time. Ordered to third reading. `reading-1, reading-2`
- **2023-05-22** Read third time. Passed. (Ayes 39. Noes 0. Page 1223.) Ordered to the Assembly. `passage, reading-1, reading-3`
- **2023-05-23** In Assembly. Read first time. Held at Desk. `reading-1`
- **2023-05-26** Referred to Coms. on TRANS. and PUB. S. `referral-committee`
- **2023-06-19** From committee with author's amendments. Read second time and amended. Re-referred to Com. on TRANS. `amendment-passage, committee-passage, reading-1, reading-2, referral-committee`
- **2023-06-27** From committee: Do pass and re-refer to Com. on PUB. S. with recommendation: To consent calendar. (Ayes 15. Noes 0.) (June 26). Re-referred to Com. on PUB. S. `committee-passage, committee-passage-favorable, referral-committee`
- **2023-07-05** From committee with author's amendments. Read second time and amended. Re-referred to Com. on PUB. S. `amendment-passage, committee-passage, reading-1, reading-2, referral-committee`
- **2023-07-06** July 11 hearing postponed by committee.
- **2023-07-10** Re-referred to Com. on APPR. pursuant to Assembly Rule 96. `referral-committee`
- **2023-08-16** From committee: Do pass. Ordered to consent calendar. (Ayes 15. Noes 0.) (August 16). `committee-passage, committee-passage-favorable`
- **2023-08-17** Read second time. Ordered to consent calendar. `reading-1, reading-2`
- **2023-08-24** Read third time. Passed. (Ayes 73. Noes 0. Page 2801.) Ordered to the Senate. `passage, reading-1, reading-3`
- **2023-08-24** In Senate. Concurrence in Assembly amendments pending.
- **2023-09-05** Ordered to special consent calendar.
- **2023-09-07** Assembly amendments concurred in. (Ayes 40. Noes 0. Page 2476.) Ordered to engrossing and enrolling. `amendment-passage, committee-passage-favorable`
- **2023-09-13** Enrolled and presented to the Governor at 4 p.m.
- **2023-10-13** Approved by the Governor. `executive-signature`
- **2023-10-13** Chaptered by Secretary of State. Chapter 858, Statutes of 2023. `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/d3faeb18-9dc3-45b5-90e3-a3cd7eb95413`. Confidence: reported (aggregated from official California legislature records).