---
type: "Bill"
title: "Health care: mental health."
description: "Health care: mental health."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20012002"
identifier: "AB 1503"
citation: "California AB 1503 (20012002)"
classification: ["bill"]
subjects: ["Health care: mental health."]
status: "enacted"
primary_sponsors: ["Nation"]
version_count: 9
action_count: 31
vote_count: 7
first_action: "2001-02-23"
last_action: "2001-10-05"
source: "openstates"
source_identifier: "ocd-bill/10fe9b9c-cdc9-4d44-b4dc-c8c06c42b3d6"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200120020AB1503"
source_hash: "75b827888373713e2623c57d3c1bb8b4df9bfa94cd04e8bb8795fb3cf9ab3243"
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 1503 (20012002) — Health care: mental health.

## Version chain

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

1. **02/23/01 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB1503&version=20010AB150399INT)
2. **04/19/01 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB1503&version=20010AB150398AMD)
3. **05/17/01 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB1503&version=20010AB150397AMD)
4. **06/28/01 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB1503&version=20010AB150396AMD)
5. **07/17/01 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB1503&version=20010AB150395AMD)
6. **09/04/01 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB1503&version=20010AB150394AMD)
7. **10/05/01 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB1503&version=20010AB150392CHP)
8. **AB1503** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200120020AB1503)
9. **09/13/01 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB1503&version=20010AB150393ENR)

## Votes

- Do pass, but re-refer to the Committee on Appropriations. — **pass** (pass) · upper
- AB 1503 Nation Assembly Third Reading — **pass** (pass) · lower
- AB 1503 Nation Special Consent Calendar 2nd Day Regular Session — **pass** (pass) · lower
- Assembly 3rd Reading AB1503 Nation By O'Connell — **pass** (pass) · upper
- Do pass. — **pass** (pass) · lower
- Do pass and be re-referred to the Committee on Appropriations. — **pass** (pass) · lower
- Do pass as amended, and re-refer to the Committee on Rules. — **pass** (pass) · legislature

## Sponsors

- Nation — primary (person)

## Timeline

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

- **2001-10-05** Chaptered by Secretary of State - Chapter 531, Statutes of 2001.
- **2001-10-04** Approved by the Governor. `executive-signature`
- **2001-09-28** Enrolled and to the Governor at 2:30 p.m.
- **2001-09-14** Senate amendments concurred in. To enrollment. (Ayes 79. Noes 0. Page 3945.) `committee-passage-favorable, amendment-passage`
- **2001-09-10** In Assembly. Concurrence in Senate amendments pending. May be considered on or after September 12 pursuant to Assembly Rule 77. Ordered to Special Consent Calendar.
- **2001-09-10** Read third time, passed, and to Assembly. (Ayes 23. Noes 11. Page 2727.) `passage, reading-1, reading-3`
- **2001-09-04** Read second time, amended, and to third reading. `reading-2, reading-1, amendment-passage`
- **2001-08-31** From committee: Be placed on second reading file pursuant to Senate Rule 28.8 and be amended. `amendment-passage, committee-passage`
- **2001-08-29** From committee: Do pass, and re-refer to Standing Committee on Appropriations Re-referred. (Ayes 6. Noes 1.). `committee-passage-favorable, referral-committee, committee-passage`
- **2001-08-27** Joint Rule 61(a)(9) suspended.
- **2001-08-21** Withdrawn from committee. Re-referred to Standing Committee on Judiciary. `referral-committee`
- **2001-07-17** Read second time, amended, and re-referred to Standing Committee on Rules. `reading-2, reading-1, referral-committee, amendment-passage`
- **2001-07-16** From committee: Amend, do pass as amended, and re-refer to Standing Committee on Rules (Ayes 6. Noes 0.). `amendment-introduction, referral-committee, committee-passage, amendment-passage`
- **2001-06-28** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Standing Committee on Insurance. `reading-1, referral-committee, reading-2, amendment-introduction, amendment-passage`
- **2001-06-12** Referred to Standing Committee on Insurance. `referral-committee`
- **2001-06-05** In Senate. Read first time. To Standing Committee on Rules for assignment. `reading-1`
- **2001-06-04** Read third time, passed, and to Senate. (Ayes 51. Noes 23. Page 2079.) `passage, reading-1, reading-3`
- **2001-05-25** Read second time. To third reading. `reading-2, reading-1`
- **2001-05-24** From committee: Do pass. (Ayes 14. Noes 0.) (May 23). `committee-passage-favorable, committee-passage`
- **2001-05-21** Re-referred to Standing Committee on Appropriations. `referral-committee`
- **2001-05-17** From committee chair, with author's amendments: Amend, and re-refer to Standing Committee on Appropriations Read second time and amended. `reading-2, referral-committee, reading-1, amendment-introduction, amendment-passage`
- **2001-05-16** In committee: Set, first hearing. Hearing canceled at the request of author.
- **2001-04-30** Received April 27 pursuant to Joint Rule 61(a)(2).
- **2001-04-30** From committee: Do pass, and re-refer to Standing Committee on Appropriations Re-referred. (Ayes 10. Noes 0.) (April 26). `committee-passage-favorable, referral-committee, committee-passage`
- **2001-04-24** In committee: Hearing postponed by committee.
- **2001-04-24** Re-referred to Standing Committee on Health. `referral-committee`
- **2001-04-19** From committee chair, with author's amendments: Amend, and re-refer to Standing Committee on Health. Read second time and amended. `reading-2, referral-committee, reading-1, amendment-introduction, amendment-passage`
- **2001-03-19** Referred to Standing Committee on Health. `referral-committee`
- **2001-02-26** Read first time. `reading-1`
- **2001-02-25** From printer. May be heard in committee March 27.
- **2001-02-23** Introduced. To print. `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/10fe9b9c-cdc9-4d44-b4dc-c8c06c42b3d6`. Confidence: reported (aggregated from official California legislature records).