republic-os/legislation/us/states/ca/20152016/sb-453.md

---
type: "Bill"
title: "Prisons: involuntary medication."
description: "Existing law provides that if a defendant in a criminal proceeding is found mentally incompetent, the trial or judgment shall be suspended until the person becomes mentally competent. Existing law provides that the court shall order that the mentally incompetent defendant be delivered by the sheriff to a state hospital for the care and treatment of the mentally disordered, as directed by the State Department of State Hospitals, or to any other available public or private treatment facility approved by the community program director that will promote the defendant's speedy restoration to mental competence, or placed on outpatient status as specified. Existing law further specifies commitment proceedings to include circumstances for the voluntary and involuntary administration of antipsychotic medication."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20152016"
identifier: "SB 453"
citation: "California SB 453 (20152016)"
classification: ["bill"]
subjects: ["Prisons: involuntary medication."]
status: "enacted"
primary_sponsors: ["Pan"]
version_count: 8
action_count: 28
vote_count: 7
first_action: "2015-02-25"
last_action: "2015-09-03"
source: "openstates"
source_identifier: "ocd-bill/2ec9d9ce-bd6b-4029-8e65-6c03f681db32"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201520160SB453"
source_hash: "be5d149d556c9184fb4bf438ed85c72841cbc25852822f05e06bb1124a5c4d42"
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 453 (20152016) — Prisons: involuntary medication.

Existing law provides that if a defendant in a criminal proceeding is found mentally incompetent, the trial or judgment shall be suspended until the person becomes mentally competent. Existing law provides that the court shall order that the mentally incompetent defendant be delivered by the sheriff to a state hospital for the care and treatment of the mentally disordered, as directed by the State Department of State Hospitals, or to any other available public or private treatment facility approved by the community program director that will promote the defendant's speedy restoration to mental competence, or placed on outpatient status as specified. Existing law further specifies commitment proceedings to include circumstances for the voluntary and involuntary administration of antipsychotic medication.

## Version chain

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

1. **02/25/15 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201520160SB453&version=20150SB45399INT)
2. **04/06/15 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201520160SB453&version=20150SB45398AMD)
3. **04/28/15 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201520160SB453&version=20150SB45397AMD)
4. **06/23/15 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201520160SB453&version=20150SB45396AMD)
5. **07/08/15 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201520160SB453&version=20150SB45395AMD)
6. **09/03/15 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201520160SB453&version=20150SB45393CHP)
7. **SB453** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201520160SB453)
8. **08/27/15 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201520160SB453&version=20150SB45394ENR)

## Votes

- Do pass. To Consent Calendar. — **16–0** (pass) · lower
- Do pass as amended, and be re-referred to the Committee on [Business and Professions] with recommendation: To Consent Calendar — **7–0** (pass) · lower
- Do pass as amended and be re-referred to the Committee on [Appropriations] — **14–0** (pass) · lower
- SB 453 Pan Consent Calendar Second Day — **79–0** (pass) · lower
- Special Consent #7 — **40–0** (pass) · upper
- Do pass as amended, but first amend, and re-refer to the Committee on [Appropriations] — **7–0** (pass) · upper
- 3rd Reading — **36–0** (pass) · upper

## Sponsors

- Pan — primary (person)

## Timeline

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

- **2015-02-25** Introduced. Read first time. To Com. on RLS. for assignment. To print. `introduction, reading-1`
- **2015-02-26** From printer. May be acted upon on or after March 28.
- **2015-03-05** Referred to Com. on PUB. S. `referral-committee`
- **2015-03-10** Set for hearing April 7.
- **2015-04-01** April 7 hearing postponed by committee.
- **2015-04-06** From committee with author's amendments. Read second time and amended. Re-referred to Com. on PUB. S. `referral-committee, reading-2, amendment-passage, committee-passage, reading-1`
- **2015-04-07** Set for hearing April 21.
- **2015-04-27** From committee: Do pass as amended and re-refer to Com. on APPR. (Ayes 7. Noes 0. Page 730.) (April 21). `committee-passage-favorable, committee-passage, amendment-passage`
- **2015-04-28** Read second time and amended. Re-referred to Com. on APPR. `referral-committee, reading-2, amendment-passage, reading-1`
- **2015-05-01** Set for hearing May 11.
- **2015-05-11** From committee: Be ordered to second reading pursuant to Senate Rule 28.8. `committee-passage, reading-2`
- **2015-05-12** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2015-05-18** Read third time. Passed. (Ayes 36. Noes 0. Page 1021.) Ordered to the Assembly. `reading-3, passage, reading-1`
- **2015-05-18** In Assembly. Read first time. Held at Desk. `reading-1`
- **2015-05-28** Referred to Coms. on PUB. S. and B. & P. `referral-committee`
- **2015-06-22** From committee: Do pass as amended and re-refer to Com. on B. & P. with recommendation: To consent calendar. (Ayes 7. Noes 0.) (June 16). `committee-passage-favorable, committee-passage, amendment-passage`
- **2015-06-23** Read second time and amended. Re-referred to Com. on B. & P. `referral-committee, reading-2, amendment-passage, reading-1`
- **2015-07-07** From committee: Do pass as amended and re-refer to Com. on APPR. (Ayes 14. Noes 0.) (July 7). `committee-passage-favorable, committee-passage, amendment-passage`
- **2015-07-08** Read second time and amended. Re-referred to Com. on APPR. `referral-committee, reading-2, amendment-passage, reading-1`
- **2015-07-15** From committee: Do pass. Ordered to consent calendar. (Ayes 16. Noes 0.) (July 15). `committee-passage-favorable, committee-passage`
- **2015-07-16** Read second time. Ordered to consent calendar. `reading-2, reading-1`
- **2015-08-20** Read third time. Passed. (Ayes 79. Noes 0. Page 2534.) Ordered to the Senate. `reading-3, passage, reading-1`
- **2015-08-20** In Senate. Concurrence in Assembly amendments pending.
- **2015-08-25** Ordered to special consent calendar.
- **2015-08-27** Assembly amendments concurred in. (Ayes 40. Noes 0. Page 2206.) Ordered to engrossing and enrolling. `committee-passage-favorable, amendment-passage`
- **2015-08-28** Enrolled and presented to the Governor at 3:45 p.m.
- **2015-09-03** Approved by the Governor. `executive-signature`
- **2015-09-03** Chaptered by Secretary of State. Chapter 260, Statutes of 2015.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/2ec9d9ce-bd6b-4029-8e65-6c03f681db32`. Confidence: reported (aggregated from official California legislature records).