---
type: "Bill"
title: "Traumatic brain injury services funding."
description: "Traumatic brain injury services funding."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "19992000"
identifier: "AB 1053"
citation: "California AB 1053 (19992000)"
classification: ["bill", "appropriation"]
subjects: ["Traumatic brain injury services funding."]
status: "enacted"
primary_sponsors: ["Thomson"]
version_count: 7
action_count: 26
vote_count: 8
first_action: "1999-02-25"
last_action: "2000-08-28"
source: "openstates"
source_identifier: "ocd-bill/e612a972-f8f9-4d05-8227-a52390a7288f"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=199920000AB1053"
source_hash: "f9afd5489ba23c0f99d6d6882b60744ee4f39ccdfffa1bd78cf8976dc8172171"
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 1053 (19992000) — Traumatic brain injury services funding.

## Version chain

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

1. **02/25/99 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB1053&version=19990AB105399INT)
2. **01/03/00 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB1053&version=19990AB105397AMD)
3. **04/03/00 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB1053&version=19990AB105396AMD)
4. **04/27/99 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB1053&version=19990AB105398AMD)
5. **08/28/00 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB1053&version=19990AB105394CHP)
6. **AB1053** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=199920000AB1053)
7. **08/10/00 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB1053&version=19990AB105395ENR)

## Votes

- SPECIAL CONSENT CALE AB1053 Thomson — **pass** (pass) · upper
- SPEC. CONSENT CALENDAR SECOND DAY CONCURRENCE — **pass** (pass) · lower
- Do pass, but re-refer to the Committee on Appropriations. — **pass** (pass) · upper
- Do pass as amended and be re-referred to the Committee on Appropriations. — **pass** (pass) · lower
- AB 1053 THOMSON THIRD READING — **pass** (pass) · lower
- Do pass. — **pass** (pass) · upper
- Do pass and re-refer to Committee on Appropriations with recommendation: To Consent Calendar. — **pass** (pass) · lower
- Do pass. — **pass** (pass) · lower

## Sponsors

- Thomson — primary (person)
- Wayne — coauthor (person)
- Wildman — coauthor (person)
- Zettel — principal coauthor (person)

## Timeline

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

- **2000-08-28** Chaptered by Secretary of State - Chapter 248, Statutes of 2000.
- **2000-08-25** Approved by the Governor. `executive-signature`
- **2000-08-21** Enrolled and to the Governor at 10:30 a.m.
- **2000-08-10** Urgency clause adopted. Senate amendments concurred in. To enrollment. (Ayes 68. Noes 0. Page 7833.) `committee-passage-favorable, amendment-passage`
- **2000-07-06** In Assembly. Concurrence in Senate amendments pending. May be considered on or after August 4 pursuant to Assembly Rule 77. Ordered to Special Consent Calendar.
- **2000-07-06** Read third time. Urgency clause adopted. Passed and to Assembly. (Ayes 39. Noes 0. Page 5498.) `passage, reading-3, reading-1`
- **2000-06-28** Read second time. To third reading. `reading-2, reading-1`
- **2000-06-27** From committee: Do pass. (Ayes 11. Noes 0.). `committee-passage, committee-passage-favorable`
- **2000-04-13** From committee: Do pass, and re-refer to Standing Committee on Appropriations Re-referred. (Ayes 6. Noes 0.). `committee-passage, committee-passage-favorable, referral-committee`
- **2000-04-03** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on H. & H.S. `amendment-introduction, amendment-passage, reading-2, reading-1, referral-committee`
- **2000-02-09** Referred to Com. on H. & H.S. `referral-committee`
- **2000-01-24** In Senate. Read first time. To Standing Committee on Rules for assignment. `reading-1`
- **2000-01-24** Read third time, passed, and to Senate. (Ayes 77. Noes 0. Page 4923.) `passage, reading-3, reading-1`
- **2000-01-20** Read second time. To third reading. `reading-2, reading-1`
- **2000-01-19** From committee: Do pass. (Ayes 21. Noes 0.) (January 19). `committee-passage, committee-passage-favorable`
- **2000-01-12** From committee: Do pass, and re-refer to Standing Committee on Appropriations with recommendation: To Consent Calendar. Re-referred. (Ayes 14. Noes 0.) (January 11). `committee-passage, committee-passage-favorable, referral-committee`
- **2000-01-03** From committee chair, with author's amendments: Amend, and re-refer to Standing Committee on Appropriations Read second time and amended. Re-referred to Standing Committee on Health by unanimous consent. `amendment-introduction, amendment-passage, reading-2, reading-1, referral-committee`
- **1999-05-26** In committee: Set, second hearing. Held under submission.
- **1999-05-19** In committee: Set, first hearing. Referred to Standing Committee on Appropriations suspense file. `referral-committee`
- **1999-04-29** Re-referred to Standing Committee on Appropriations. `referral-committee`
- **1999-04-27** Read second time and amended. `amendment-passage, reading-2, reading-1`
- **1999-04-26** From committee: Amend, do pass as amended, and re-refer to Standing Committee on Appropriations (Ayes 13. Noes 0.) (April 20). `committee-passage, amendment-introduction, amendment-passage, referral-committee`
- **1999-04-14** In committee: Set, first hearing. Hearing canceled at the request of author.
- **1999-03-15** Referred to Standing Committee on Health. `referral-committee`
- **1999-02-26** From printer. May be heard in committee March 28.
- **1999-02-25** Read first time. To print. `reading-1`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/e612a972-f8f9-4d05-8227-a52390a7288f`. Confidence: reported (aggregated from official California legislature records).