---
type: "Bill"
title: "Health care coverage: mental illness."
description: "Health care coverage: mental illness."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "19992000"
identifier: "AB 88"
citation: "California AB 88 (19992000)"
classification: ["bill"]
subjects: ["Health care coverage: mental illness."]
status: "enacted"
primary_sponsors: ["Thomson"]
version_count: 7
action_count: 28
vote_count: 9
first_action: "1998-12-10"
last_action: "1999-09-28"
source: "openstates"
source_identifier: "ocd-bill/505c3b80-1c54-4bb4-a5db-dad712880b65"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=199920000AB88"
source_hash: "64861b9c5ad7758bce1fa20a8dd6713db60796a1be2c14c6272de5809ce1948b"
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 88 (19992000) — Health care coverage: mental illness.

## Version chain

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

1. **12/10/98 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB88&version=19990AB8899INT)
2. **02/24/99 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB88&version=19990AB8898AMD)
3. **08/17/99 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB88&version=19990AB8897AMD)
4. **09/08/99 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB88&version=19990AB8896AMD)
5. **09/28/99 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB88&version=19990AB8894CHP)
6. **AB88** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=199920000AB88)
7. **09/10/99 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB88&version=19990AB8895ENR)

## Votes

- Do pass as amended, and re-refer to the Committee on Appropriations. — **pass** (pass) · legislature
- AB 88 THOMSON CONCURRENCE — **pass** (pass) · lower
- Assembly 2nd Reading AB88 Thomson By Perata — **pass** (pass) · upper
- Do pass, but re-refer to the Committee on Insurance. — **pass** (pass) · upper
- Do pass. — **pass** (pass) · lower
- Placed on Appropriations suspense file. — **pass** (pass) · upper
- Do pass and be re-referred to the Committee on Appropriations. — **pass** (pass) · lower
- AB 88 THOMSON THIRD READING — **pass** (pass) · lower
- Do pass. — **pass** (pass) · upper

## Sponsors

- Thomson — primary (person)
- Alpert — coauthor (person)
- Alquist — coauthor (person)
- Aroner — coauthor (person)
- Cardoza — coauthor (person)
- Chesbro — coauthor (person)
- Corbett — coauthor (person)
- Davis — coauthor (person)
- Dickerson — coauthor (person)
- Dutra — coauthor (person)
- Escutia — coauthor (person)
- Frusetta — coauthor (person)
- Granlund — coauthor (person)
- Hertzberg — coauthor (person)
- Jackson — coauthor (person)
- Knox — coauthor (person)
- Kuehl — coauthor (person)
- Lempert — coauthor (person)
- Longville — coauthor (person)
- Lowenthal — coauthor (person)
- Machado — coauthor (person)
- Mazzoni — coauthor (person)
- Migden — coauthor (person)
- Ortiz — coauthor (person)
- Papan — coauthor (person)
- Perata — principal coauthor (person)
- Rainey — coauthor (person)
- Romero — coauthor (person)
- Scott — coauthor (person)
- Shelley — coauthor (person)
- Solis — coauthor (person)
- Steinberg — coauthor (person)
- Strom-Martin — coauthor (person)
- Vasconcellos — coauthor (person)
- Villaraigosa — coauthor (person)
- Washington — coauthor (person)
- Wayne — coauthor (person)
- Wright — coauthor (person)

## Timeline

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

- **1999-09-28** Chaptered by Secretary of State - Chapter 534, Statutes of 1999.
- **1999-09-27** Approved by the Governor. `executive-signature`
- **1999-09-22** Enrolled and to the Governor at 4 p.m.
- **1999-09-10** Senate amendments concurred in. To enrollment. (Ayes 62. Noes 12. Page 4327.) `committee-passage-favorable, amendment-passage`
- **1999-09-09** In Assembly. Concurrence in Senate amendments pending.
- **1999-09-09** Read second time. To third reading. Senate Rule 29.3 suspended. Read third time, passed, and to Assembly. (Ayes 31. Noes 6. Page 3157.) `reading-3, passage, reading-2, reading-1`
- **1999-09-08** Read third time, amended. To second reading. `reading-3, amendment-passage, reading-1`
- **1999-09-03** Joint Rule 61 (a) suspended. From committee: Do pass. (Ayes 8. Noes 1.). Read second time. To third reading. `committee-passage, committee-passage-favorable, reading-2, reading-1`
- **1999-09-01** In committee: Hearing postponed by committee.
- **1999-08-25** Joint Rule 61 (a)(10) suspended.
- **1999-08-25** In committee: Placed on Appropriations suspense file.
- **1999-08-23** Joint Rule 61 (a) suspended.
- **1999-08-17** Read second time, amended, and re-referred to Standing Committee on Appropriations. `amendment-passage, reading-2, reading-1, referral-committee`
- **1999-08-16** From committee: Amend, and do pass as amended, and re-refer to Standing Committee on Appropriations (Ayes 6. Noes 1.). `committee-passage, amendment-introduction, amendment-passage, referral-committee`
- **1999-07-01** From committee: Do pass, and re-refer to Standing Committee on Insurance Re-referred. (Ayes 5. Noes 1.). `committee-passage, committee-passage-favorable, referral-committee`
- **1999-06-17** Referred to H. & H.S. and Standing Committee on Insurance. `referral-committee`
- **1999-06-03** In Senate. Read first time. To Standing Committee on Rules for assignment. `reading-1`
- **1999-06-02** Read third time, passed, and to Senate. (Ayes 59. Noes 18. Page 2331.) `passage, reading-3, reading-1`
- **1999-06-01** Passed on file.
- **1999-05-28** From committee: Do pass. (Ayes 14. Noes 6.) (May 26). Read second time. To third reading. `committee-passage, committee-passage-favorable, reading-2, reading-1`
- **1999-03-24** In committee: Set, first hearing. Referred to Standing Committee on Appropriations suspense file. `referral-committee`
- **1999-03-10** From committee: Do pass, and re-refer to Standing Committee on Appropriations Re-referred. (Ayes 10. Noes 3.) (March 9). `committee-passage, committee-passage-favorable, referral-committee`
- **1999-02-25** Re-referred to Standing Committee on Health. `referral-committee`
- **1999-02-24** From committee chair, with author's amendments: Amend, and re-refer to Standing Committee on Health. Read second time and amended. `amendment-introduction, amendment-passage, reading-2, reading-1, referral-committee`
- **1999-01-15** Referred to Standing Committee on Health. `referral-committee`
- **1999-01-04** Read first time. `reading-1`
- **1998-12-11** From printer. May be heard in committee January 10.
- **1998-12-10** 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/505c3b80-1c54-4bb4-a5db-dad712880b65`. Confidence: reported (aggregated from official California legislature records).