---
type: "Bill"
title: "Four-day school week: Death Valley Unified School District."
description: "Four-day school week: Death Valley Unified School District."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20032004"
identifier: "AB 1820"
citation: "California AB 1820 (20032004)"
classification: ["bill"]
subjects: ["Four-day school week: Death Valley Unified School District."]
status: "enacted"
primary_sponsors: ["Maze"]
version_count: 6
action_count: 26
vote_count: 6
first_action: "2004-01-16"
last_action: "2004-09-10"
source: "openstates"
source_identifier: "ocd-bill/c2ed9cf9-42ba-444f-ab0f-cafc165a090a"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200320040AB1820"
source_hash: "6e5ce682b9c6319a1c103de21ff50161f0b8120868f508eb44a345077b5e5149"
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 1820 (20032004) — Four-day school week: Death Valley Unified School District.

## Version chain

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

1. **01/16/04 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB1820&version=20030AB182099INT)
2. **03/25/04 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB1820&version=20030AB182098AMD)
3. **08/09/04 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB1820&version=20030AB182097AMD)
4. **09/10/04 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB1820&version=20030AB182095CHP)
5. **AB1820** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200320040AB1820)
6. **08/17/04 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB1820&version=20030AB182096ENR)

## Votes

- consent calendar 2nd ab1820 maze — **pass** (pass) · upper
- do pass as amended. to consent calendar. — **pass** (pass) · upper
- special consent cale ab1820 maze by hollingsworth — **pass** (pass) · upper
- ab 1820 maze concurrence in senate amendments — **pass** (pass) · lower
- do pass, to consent calendar. — **pass** (pass) · lower
- ab 1820 maze consent calendar second day regular session — **pass** (pass) · lower

## Sponsors

- Maze — primary (person)

## Timeline

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

- **2004-09-10** Chaptered by Secretary of State - Chapter 481, Statutes of 2004.
- **2004-09-10** Approved by the Governor. `executive-signature`
- **2004-08-24** Enrolled and to the Governor at 11 a.m.
- **2004-08-17** Senate amendments concurred in. To enrollment. (Ayes 79. Noes 0. Page 7228.) `committee-passage-favorable, amendment-passage`
- **2004-08-11** In Assembly. Concurrence in Senate amendments pending. May be considered on or after August 13 pursuant to Assembly Rule 77.
- **2004-08-11** Read third time, passed, and to Assembly. (Ayes 37. Noes 0. Page 4900.) `reading-3, passage, reading-1`
- **2004-08-10** Read second time. To third reading. `reading-2, reading-1`
- **2004-08-09** Action rescinded whereby the bill was read third time, passed, and to Assembly. Read third time, amended. To second reading. `passage, amendment-passage, reading-3, reading-1`
- **2004-07-02** In Senate. Held at Desk.
- **2004-07-01** Ordered returned to Senate.
- **2004-06-28** Returned by the Governor at the request of the Assembly. Action rescinded whereby the bill was enrolled and presented to the Governor. `executive-receipt`
- **2004-06-16** Enrolled and to the Governor at 2:15 p.m.
- **2004-06-14** In Assembly. To enrollment.
- **2004-06-14** Read third time, passed, and to Assembly. (Ayes 33. Noes 0. Page 4103.) `reading-3, passage, reading-1`
- **2004-06-08** Read second time. To Consent Calendar. `reading-2, reading-1`
- **2004-06-07** From committee: Do pass. To Consent Calendar. `committee-passage-favorable, committee-passage`
- **2004-05-13** Referred to Standing Committee on Education. `referral-committee`
- **2004-04-16** In Senate. Read first time. To Standing Committee on Rules for assignment. `reading-1`
- **2004-04-16** Read third time, passed, and to Senate. (Ayes 80. Noes 0. Page 5178.) `reading-3, passage, reading-1`
- **2004-04-12** Read second time. To Consent Calendar. `reading-2, reading-1`
- **2004-04-01** From committee: Do pass. To Consent Calendar. (March 31). `committee-passage-favorable, committee-passage`
- **2004-03-26** Re-referred to Standing Committee on Education. `referral-committee`
- **2004-03-25** From committee chair, with author's amendments: Amend, and re-refer to Standing Committee on Education Read second time and amended. `referral-committee, amendment-passage, amendment-introduction, reading-2, reading-1`
- **2004-01-29** Referred to Standing Committee on Education. `referral-committee`
- **2004-01-20** From printer. May be heard in committee February 19.
- **2004-01-16** 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/c2ed9cf9-42ba-444f-ab0f-cafc165a090a`. Confidence: reported (aggregated from official California legislature records).