---
type: "Bill"
title: "Developmental services."
description: "Developmental services."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20032004"
identifier: "AB 2100"
citation: "California AB 2100 (20032004)"
classification: ["bill"]
subjects: ["Developmental services."]
status: "enacted"
primary_sponsors: ["Steinberg"]
version_count: 9
action_count: 22
vote_count: 6
first_action: "2004-02-18"
last_action: "2004-09-28"
source: "openstates"
source_identifier: "ocd-bill/eff44a94-6e6d-4e84-b6d3-013ff9467842"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200320040AB2100"
source_hash: "15494e218315a48f7ed9ed271399e3dffdb3dcc007f64e93b726cb816bfc8553"
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 2100 (20032004) — Developmental services.

## Version chain

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

1. **02/18/04 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB2100&version=20030AB210099INT)
2. **05/10/04 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB2100&version=20030AB210098AMD)
3. **05/17/04 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB2100&version=20030AB210097AMD)
4. **07/28/04 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB2100&version=20030AB210096AMD)
5. **08/18/04 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB2100&version=20030AB210095AMD)
6. **08/23/04 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB2100&version=20030AB210094AMD)
7. **09/28/04 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB2100&version=20030AB210092CHP)
8. **AB2100** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200320040AB2100)
9. **08/25/04 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB2100&version=20030AB210093ENR)

## Votes

- do pass as amended. — **pass** (pass) · legislature
- Do pass. — **pass** (pass) · lower
- ab 2100 steinberg concurrence in senate amendments — **pass** (pass) · lower
- assembly 3rd reading ab2100 steinberg by chesbro — **pass** (pass) · upper
- senate amendments be concurred in. — **pass** (pass) · lower
- ab 2100 budget third reading urgency by steinberg — **pass** (pass) · lower

## Sponsors

- Steinberg — primary (person)
- Chesbro — coauthor (person)
- Cohn — coauthor (person)
- Richman — author (person)

## Timeline

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

- **2004-09-28** Chaptered by Secretary of State - Chapter 831, Statutes of 2004.
- **2004-09-28** Approved by the Governor. `executive-signature`
- **2004-09-10** Enrolled and to the Governor at 2:30 p.m.
- **2004-08-25** Re-referred to Standing Committee on Human Services pursuant to Assembly Rule 77.2. Joint Rule 62(a), file notice waived. (Page 7706.) From committee: With recommendation: That Senate amendments be concurred in. (Ayes 5. Noes 0.) (August 25). Senate amendments concurred in. To enrollment. (Ayes 79. Noes 0. Page 7767.). `committee-passage-favorable, referral-committee, amendment-passage, committee-passage`
- **2004-08-24** In Assembly. Concurrence in Senate amendments pending. May be considered on or after August 26 pursuant to Assembly Rule 77.
- **2004-08-24** Read third time, passed, and to Assembly. (Ayes 33. Noes 2. Page 5295.) `reading-3, passage, reading-1`
- **2004-08-23** From committee: Amend, and do pass as amended. (Ayes 9. Noes 1.). Read second time, amended, and to third reading. `amendment-passage, amendment-introduction, reading-2, committee-passage, reading-1`
- **2004-08-19** Re-referred to Com. on H. & H.S. Joint Rule 61(b)(14) suspended. (Page 5089.) Joint Rule 62(a), file notice suspended. (Page 5089.) `referral-committee`
- **2004-08-18** Read third time, amended. To second reading. `reading-3, amendment-passage, reading-1`
- **2004-07-28** Read third time, amended, and returned to third reading. `reading-3, amendment-passage, reading-1`
- **2004-07-27** Senate Rule 29.3 suspended.
- **2004-06-29** Read second time. To third reading. `reading-2, reading-1`
- **2004-06-28** Withdrawn from committee. Ordered placed on second reading file.
- **2004-05-28** In Senate. Read first time. To Standing Committee on Rules for assignment. `reading-1`
- **2004-05-27** Read third time. Urgency clause adopted. Passed and to Senate. (Ayes 78. Noes 0. Page 6179.) `reading-3, passage, reading-1`
- **2004-05-18** Read second time. To third reading. `reading-2, reading-1`
- **2004-05-17** Read second time and amended. Ordered returned to second reading. `reading-2, amendment-passage, reading-1`
- **2004-05-13** From committee: Amend, and do pass as amended. (Ayes 23. Noes 1.) (May 10). `amendment-introduction, amendment-passage, committee-passage`
- **2004-05-10** From committee chair, with author's amendments: Amend, and re-refer to Standing Committee on Budget. Read second time and amended. Re-referred to Standing Committee on Budget. `referral-committee, amendment-passage, amendment-introduction, reading-2, reading-1`
- **2004-03-01** Referred to Standing Committee on Budget. `referral-committee`
- **2004-02-19** From printer. May be heard in committee March 20.
- **2004-02-18** 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/eff44a94-6e6d-4e84-b6d3-013ff9467842`. Confidence: reported (aggregated from official California legislature records).