republic-os/legislation/us/states/ca/20212022/ab-483.md

---
type: "Bill"
title: "Peace officers: California Science Center and Exposition Park."
description: "Under existing law, the chief and assistant chief of museum security at the California Science Center are peace officers whose primary duties are to provide police and security services, to keep order, and to preserve the peace and safety of persons and property at the California Science Center and at Exposition Park on a year-round basis, and whose authority extends to any place in the state for the purpose of performing their primary duty or when making an arrest as to any public offense with respect to which there is immediate danger to person or property, or of the escape of the perpetrator of that offense."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20212022"
identifier: "AB 483"
citation: "California AB 483 (20212022)"
classification: ["bill"]
subjects: ["Peace officers: California Science Center and Exposition Park."]
status: "enacted"
primary_sponsors: ["Jones-Sawyer"]
version_count: 6
action_count: 23
vote_count: 8
first_action: "2021-02-08"
last_action: "2021-09-30"
source: "openstates"
source_identifier: "ocd-bill/efc2fe10-c4b6-4ef6-9722-8e5719c0c558"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202120220AB483"
source_hash: "a13bf57100929f24158f3e5c6173c99e9cec2d5fd4747939b181c04599fcd28a"
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 AB 483 (20212022) — Peace officers: California Science Center and Exposition Park.

Under existing law, the chief and assistant chief of museum security at the California Science Center are peace officers whose primary duties are to provide police and security services, to keep order, and to preserve the peace and safety of persons and property at the California Science Center and at Exposition Park on a year-round basis, and whose authority extends to any place in the state for the purpose of performing their primary duty or when making an arrest as to any public offense with respect to which there is immediate danger to person or property, or of the escape of the perpetrator of that offense.

## Version chain

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

1. **02/08/21 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202120220AB483&version=20210AB48399INT)
2. **03/11/21 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202120220AB483&version=20210AB48398AMD)
3. **08/26/21 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202120220AB483&version=20210AB48397AMD)
4. **09/30/21 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202120220AB483&version=20210AB48395CHP)
5. **AB483** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202120220AB483)
6. **09/09/21 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202120220AB483&version=20210AB48396ENR)

## Votes

- AB 483 Jones-Sawyer Concurrence in Senate Amendments — **72–0** (pass) · lower
- 3rd Reading AB483 Jones-Sawyer By Kamlager — **38–0** (pass) · upper
- Do pass, but first be re-referred to the Committee on [Appropriations] — **5–0** (pass) · upper
- Do pass. — **16–0** (pass) · lower
- AB 483 Jones-Sawyer Assembly Third Reading — **77–1** (pass) · lower
- Placed on suspense file — **7–0** (pass) · upper
- Do pass as amended — **6–0** (pass) · upper
- Do pass and be re-referred to the Committee on [Appropriations] with recommendation: To Consent Calendar — **8–0** (pass) · lower

## Sponsors

- Jones-Sawyer — primary (person)

## Timeline

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

- **2021-02-08** Read first time. To print. `reading-1`
- **2021-02-09** From printer. May be heard in committee March 11.
- **2021-02-18** Referred to Com. on PUB. S. `referral-committee`
- **2021-03-11** From committee chair, with author's amendments: Amend, and re-refer to Com. on PUB. S. Read second time and amended. `amendment-introduction, amendment-passage, reading-1, reading-2`
- **2021-03-15** Re-referred to Com. on PUB. S. `referral-committee`
- **2021-03-24** From committee: Do pass and re-refer to Com. on APPR. with recommendation: To Consent Calendar. (Ayes 8. Noes 0.) (March 23). Re-referred to Com. on APPR. `committee-passage, committee-passage-favorable, referral-committee`
- **2021-04-14** In committee: Set, first hearing. Referred to APPR. suspense file. `referral-committee`
- **2021-05-20** From committee: Do pass. (Ayes 16. Noes 0.) (May 20). `committee-passage, committee-passage-favorable`
- **2021-05-24** Read second time. Ordered to third reading. `reading-1, reading-2`
- **2021-05-27** Read third time. Passed. Ordered to the Senate. (Ayes 77. Noes 1. Page 1603.) `passage, reading-1, reading-3`
- **2021-05-28** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2021-06-09** Referred to Com. on PUB. S. `referral-committee`
- **2021-07-06** From committee: Do pass and re-refer to Com. on APPR. (Ayes 5. Noes 0.) (July 6). Re-referred to Com. on APPR. `committee-passage, committee-passage-favorable, referral-committee`
- **2021-08-16** In committee: Referred to suspense file. `referral-committee`
- **2021-08-26** From committee: Amend, and do pass as amended. (Ayes 6. Noes 0.) (August 26). `amendment-introduction, amendment-passage, committee-passage`
- **2021-08-26** Read second time and amended. Ordered returned to second reading. `amendment-passage, reading-1, reading-2`
- **2021-08-30** Read second time. Ordered to third reading. `reading-1, reading-2`
- **2021-09-02** Read third time. Passed. Ordered to the Assembly. (Ayes 38. Noes 0. Page 2340.). `passage, reading-1, reading-3`
- **2021-09-02** In Assembly. Concurrence in Senate amendments pending. May be considered on or after September 4 pursuant to Assembly Rule 77.
- **2021-09-07** Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 72. Noes 0. Page 2827.). `amendment-passage, committee-passage-favorable`
- **2021-09-13** Enrolled and presented to the Governor at 3 p.m.
- **2021-09-30** Approved by the Governor. `executive-signature`
- **2021-09-30** Chaptered by Secretary of State - Chapter 411, Statutes of 2021. `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/efc2fe10-c4b6-4ef6-9722-8e5719c0c558`. Confidence: reported (aggregated from official California legislature records).