---
type: "Bill"
title: "Habilitation services."
description: "Habilitation services."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "19992000"
identifier: "AB 644"
citation: "California AB 644 (19992000)"
classification: ["bill", "appropriation"]
subjects: ["Habilitation services."]
status: "enacted"
primary_sponsors: ["Ducheny"]
version_count: 11
action_count: 39
vote_count: 9
first_action: "1999-02-23"
last_action: "2000-07-07"
source: "openstates"
source_identifier: "ocd-bill/c73e8119-c192-4fdc-a6a9-10b2de7c0510"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=199920000AB644"
source_hash: "fc828636a555c2c9cddf11af0cd077a8b1fa6af40bf6da76a5e425d2c822ce02"
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 644 (19992000) — Habilitation services.

## Version chain

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

1. **02/23/99 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB644&version=19990AB64499INT)
2. **04/19/99 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB644&version=19990AB64498AMD)
3. **05/18/00 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB644&version=19990AB64493AMD)
4. **05/18/99 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB644&version=19990AB64497AMD)
5. **06/12/00 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB644&version=19990AB64492AMD)
6. **07/07/00 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB644&version=19990AB64490CHP)
7. **08/26/99 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB644&version=19990AB64496AMD)
8. **09/02/99 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB644&version=19990AB64495AMD)
9. **09/08/99 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB644&version=19990AB64494AMD)
10. **AB644** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=199920000AB644)
11. **06/22/00 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB644&version=19990AB64491ENR)

## Votes

- AB 644 DUCHENY CONCURRENCE URGENCY ADDED — **pass** (pass) · lower
- Do pass. — **pass** (pass) · upper
- Do pass as amended, and re-refer to the Committee on Appropriations. — **pass** (pass) · upper
- Do pass, but re-refer to the Committee on Appropriations. — **pass** (pass) · upper
- Assembly 3rd Reading AB644 Ducheny — **pass** (pass) · upper
- AB 644 WILDMAN THIRD READING — **pass** (pass) · lower
- Placed on Appropriations suspense file. — **pass** (pass) · upper
- Do pass as amended and be re-referred to the Committee on Appropriations. — **pass** (pass) · legislature
- Do pass. — **pass** (pass) · lower

## Sponsors

- Ducheny — primary (person)

## Timeline

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

- **2000-07-07** Chaptered by Secretary of State - Chapter 95, Statutes of 2000.
- **2000-07-06** Approved by the Governor. `executive-signature`
- **2000-06-28** Enrolled and to the Governor at 10:30 a.m.
- **2000-06-22** Urgency clause adopted. Senate amendments concurred in. To enrollment. (Ayes 73. Noes 1. Page 7319.) `committee-passage-favorable, amendment-passage`
- **2000-06-15** In Assembly. Concurrence in Senate amendments pending. May be considered on or after June 17 pursuant to Assembly Rule 77.
- **2000-06-15** Read third time. Urgency clause adopted. Passed and to Assembly. (Ayes 34. Noes 0. Page 5068.) `passage, reading-3, reading-1`
- **2000-06-14** Read second time. To third reading. `reading-2, reading-1`
- **2000-06-13** From committee: Do pass. (Ayes 8. Noes 0.). `committee-passage, committee-passage-favorable`
- **2000-06-12** Read second time, amended, and re-referred to Standing Committee on Appropriations. `amendment-passage, reading-2, reading-1, referral-committee`
- **2000-06-08** From committee: Amend, do pass as amended, and re-refer to Standing Committee on Appropriations (Ayes 6. Noes 0.). `committee-passage, amendment-introduction, amendment-passage, referral-committee`
- **2000-06-06** Withdrawn from committee. Re-referred to Com. on H. & H.S. `referral-committee`
- **2000-05-18** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Standing Committee on Rules. `amendment-introduction, amendment-passage, reading-2, reading-1, referral-committee`
- **2000-05-16** From inactive file. Re-referred to Standing Committee on Rules. `referral-committee`
- **1999-09-10** To inactive file on motion of Senator Peace.
- **1999-09-09** Read second time. To third reading. `reading-2, reading-1`
- **1999-09-08** Read third time, amended. To second reading. `reading-3, amendment-passage, reading-1`
- **1999-09-03** Read second time. To third reading. `reading-2, reading-1`
- **1999-09-02** Withdrawn from committee. Read third time, amended. To second reading. `reading-3, amendment-passage, reading-1`
- **1999-09-01** In committee: Set, first hearing. Held under submission.
- **1999-08-30** Joint Rule 62(a), file notice suspended. (Page 2725.)
- **1999-08-30** Joint Rule 61 (a) suspended.
- **1999-08-30** In committee: Placed on Appropriations suspense file.
- **1999-08-26** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Standing Committee on Appropriations. `amendment-introduction, amendment-passage, reading-2, reading-1, referral-committee`
- **1999-08-16** In committee: Hearing postponed by committee.
- **1999-07-07** From committee: Do pass, and re-refer to Standing Committee on Appropriations Re-referred. (Ayes 8. Noes 1.). `committee-passage, committee-passage-favorable, referral-committee`
- **1999-06-07** Referred to Standing Committee on Governmental Organization. `referral-committee`
- **1999-06-02** In Senate. Read first time. To Standing Committee on Rules for assignment. `reading-1`
- **1999-06-01** Read third time, passed, and to Senate. (Ayes 52. Noes 25. Page 2179.) `passage, reading-3, reading-1`
- **1999-05-28** From committee: Do pass. (Ayes 14. Noes 7.) (May 26). Read second time. To third reading. `committee-passage, committee-passage-favorable, reading-2, reading-1`
- **1999-05-20** Re-referred to Standing Committee on Appropriations. `referral-committee`
- **1999-05-18** Read second time and amended. `amendment-passage, reading-2, reading-1`
- **1999-05-17** From committee: Amend, do pass as amended, and re-refer to Standing Committee on Appropriations (Ayes 5. Noes 2.) (May 11). `committee-passage, amendment-introduction, amendment-passage, referral-committee`
- **1999-04-29** Joint Rule 61 (a)(2) suspended.
- **1999-04-22** Re-referred to Com. on C.P.,G.E. & E.D. `referral-committee`
- **1999-04-21** In committee: Hearing postponed by committee.
- **1999-04-19** Re-referred to Com. on C.P.,G.E. & E.D. by unanimous consent. From committee chair, with author's amendments: Amend, and re-refer to Com. on C.P.,G.E. & E.D. Read second time and amended. `amendment-introduction, amendment-passage, reading-2, reading-1, referral-committee`
- **1999-03-23** Referred to Standing Committee on Public Employees, Retirement and Social Security. `referral-committee`
- **1999-02-24** From printer. May be heard in committee March 26.
- **1999-02-23** 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/c73e8119-c192-4fdc-a6a9-10b2de7c0510`. Confidence: reported (aggregated from official California legislature records).