republic-os/legislation/us/states/ca/20032004/ab-121.md

---
type: "Bill"
title: "Large passenger vessels: water quality."
description: "Large passenger vessels: water quality."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20032004"
identifier: "AB 121"
citation: "California AB 121 (20032004)"
classification: ["bill"]
subjects: ["Large passenger vessels: water quality."]
status: "enacted"
primary_sponsors: ["Simitian"]
version_count: 9
action_count: 22
vote_count: 8
first_action: "2003-01-15"
last_action: "2003-09-24"
source: "openstates"
source_identifier: "ocd-bill/9a443b05-2ce4-49b7-8ff4-7206b919bc67"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200320040AB121"
source_hash: "f82250d809083c31ef56e83c3333c1ae1a908a2b11e9eac2b973dd3aeeb43103"
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 121 (20032004) — Large passenger vessels: water quality.

## Version chain

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

1. **01/15/03 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB121&version=20030AB12199INT)
2. **04/22/03 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB121&version=20030AB12198AMD)
3. **06/02/03 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB121&version=20030AB12197AMD)
4. **07/16/03 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB121&version=20030AB12196AMD)
5. **08/18/03 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB121&version=20030AB12195AMD)
6. **09/04/03 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB121&version=20030AB12194AMD)
7. **09/24/03 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB121&version=20030AB12192CHP)
8. **AB121** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200320040AB121)
9. **09/10/03 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB121&version=20030AB12193ENR)

## Votes

- do pass as amended. — **pass** (pass) · lower
- placed on appropriations suspense file. — **pass** (pass) · upper
- assembly 3rd reading ab121 simitian by sher — **pass** (pass) · upper
- ab 121 simitian assembly third reading — **pass** (pass) · lower
- Do pass as amended, and re-refer to the Committee on Appropriations. — **pass** (pass) · upper
- do pass as amended. — **pass** (pass) · upper
- Do pass and be re-referred to the Committee on Appropriations. — **pass** (pass) · lower
- ab 121 simitian concurrence in senate amendments — **pass** (pass) · lower

## Sponsors

- Simitian — primary (person)
- Laird — author (person)
- Nakano — author (person)

## Timeline

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

- **2003-09-24** Chaptered by Secretary of State - Chapter 488, Statutes of 2003.
- **2003-09-24** Approved by the Governor. `executive-signature`
- **2003-09-17** Enrolled and to the Governor at 3 p.m.
- **2003-09-10** Assembly Rule 77 suspended. (Ayes 46. Noes 30. Page 3717.) Senate amendments concurred in. To enrollment. (Ayes 58. Noes 21. Page 3737.) `committee-passage-favorable, amendment-passage`
- **2003-09-09** In Assembly. Concurrence in Senate amendments pending. May be considered on or after September 11 pursuant to Assembly Rule 77.
- **2003-09-08** Read third time, passed, and to Assembly. (Ayes 23. Noes 10. Page 2381.) (Corrected September 5. ) `reading-3, passage, reading-1`
- **2003-09-04** Joint Rules 61(a)(10) and 61(a)(11) suspended. (Page 2351.) Joint Rule 62(a), file notice waived. (Page 2351.) From committee: Amend, and do pass as amended. (Ayes 8. Noes 5.). Read second time, amended, and to third reading. `amendment-passage, amendment-introduction, reading-2, committee-passage, reading-1`
- **2003-08-29** In committee: Set, first hearing. Held under submission.
- **2003-08-18** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Standing Committee on Appropriations In committee: Placed on Appropriations suspense file. `referral-committee, amendment-passage, amendment-introduction, reading-2, reading-1`
- **2003-07-16** Read second time, amended, and re-referred to Standing Committee on Appropriations. `reading-2, referral-committee, amendment-passage, reading-1`
- **2003-07-15** From committee: Amend, do pass as amended, and re-refer to Standing Committee on Appropriations (Ayes 5. Noes 0.). `referral-committee, amendment-passage, amendment-introduction, committee-passage`
- **2003-06-12** Referred to Com. on ENV. QUAL. `referral-committee`
- **2003-06-04** In Senate. Read first time. To Standing Committee on Rules for assignment. `reading-1`
- **2003-06-03** Read second time. To third reading. Read third time, passed, and to Senate. (Ayes 61. Noes 17. Page 2175.) `passage, reading-3, reading-2, reading-1`
- **2003-06-02** From committee: Amend, and do pass as amended. (Ayes 18. Noes 6.) (May 28). Read second time and amended. Ordered returned to second reading. `amendment-passage, amendment-introduction, reading-2, committee-passage, reading-1`
- **2003-05-15** In committee: Set, first hearing. Referred to Standing Committee on Appropriations suspense file. `referral-committee`
- **2003-04-30** From committee: Do pass, and re-refer to Standing Committee on Appropriations Re-referred. (Ayes 5. Noes 1.) (April 29). `committee-passage-favorable, referral-committee, committee-passage`
- **2003-04-23** Re-referred to Standing Committee on Environmental Safety and Toxic Materials. `referral-committee`
- **2003-04-22** From committee chair, with author's amendments: Amend, and re-refer to Standing Committee on Environmental Safety and Toxic Materials Read second time and amended. `referral-committee, amendment-passage, amendment-introduction, reading-2, reading-1`
- **2003-01-23** Referred to Standing Committee on Environmental Safety and Toxic Materials. `referral-committee`
- **2003-01-16** From printer. May be heard in committee February 15.
- **2003-01-15** 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/9a443b05-2ce4-49b7-8ff4-7206b919bc67`. Confidence: reported (aggregated from official California legislature records).