---
type: "Bill"
title: "Ocean resources: marine resources and preservation."
description: "Existing law establishes a California Artificial Reef Program, administered by the Department of Fish and Game, to include the placement of artificial reefs, as defined, in state waters and a prescribed study of existing successful reefs and new reefs to determine design criteria."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20092010"
identifier: "AB 2503"
citation: "California AB 2503 (20092010)"
classification: ["bill"]
subjects: ["Ocean resources: marine resources and preservation."]
status: "enacted"
primary_sponsors: ["John A. Perez"]
version_count: 11
action_count: 36
vote_count: 7
first_action: "2010-02-19"
last_action: "2010-09-30"
source: "openstates"
source_identifier: "ocd-bill/ea460d56-b6ee-4b92-975a-e5556eaf21f7"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200920100AB2503"
source_hash: "4740b3ad5c87b57419077a6b0542de8d93aa029eaf01c550341b01f6a3d4d3df"
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 2503 (20092010) — Ocean resources: marine resources and preservation.

Existing law establishes a California Artificial Reef Program, administered by the Department of Fish and Game, to include the placement of artificial reefs, as defined, in state waters and a prescribed study of existing successful reefs and new reefs to determine design criteria.

## Version chain

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

1. **02/19/10 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB2503&version=20090AB250399INT)
2. **04/05/10 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB2503&version=20090AB250398AMD)
3. **04/20/10 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB2503&version=20090AB250397AMD)
4. **05/28/10 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB2503&version=20090AB250396AMD)
5. **06/21/10 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB2503&version=20090AB250395AMD)
6. **08/10/10 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB2503&version=20090AB250394AMD)
7. **08/17/10 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB2503&version=20090AB250393AMD)
8. **08/20/10 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB2503&version=20090AB250392AMD)
9. **09/30/10 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB2503&version=20090AB250390CHP)
10. **AB2503** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200920100AB2503)
11. **09/13/10 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB2503&version=20090AB250391ENR)

## Votes

- AB 2503 PEREZ, J. Assembly Third Reading — **pass** (pass) · lower
- Do pass as amended. — **pass** (pass) · upper
- Do pass as amended and be re-referred to the Committee on Appropriations. — **pass** (pass) · lower
- Do pass as amended, and re-refer to the Committee on Rules. — **pass** (pass) · upper
- Do pass as amended. — **pass** (pass) · lower
- Assembly 3rd Reading AB2503 John A. Perez By Kehoe — **pass** (pass) · upper
- AB 2503 PEREZ, J. Concurrence in Senate Amendments — **pass** (pass) · lower

## Sponsors

- John A. Perez — primary (person)

## Timeline

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

- **2010-02-19** Introduced. To print. `introduction`
- **2010-02-21** From printer. May be heard in committee March 23.
- **2010-02-22** Read first time. `reading-1`
- **2010-03-18** Referred to Coms. on W.,P. & W. and NAT. RES. `referral-committee`
- **2010-04-05** From committee chair, with author's amendments: Amend, and re-refer to Com. on W.,P. & W. Read second time and amended. `amendment-introduction, reading-2, amendment-passage, reading-1`
- **2010-04-05** (Corrected April 12.)
- **2010-04-06** Re-referred to Com. on W.,P. & W. `referral-committee`
- **2010-04-19** From committee: Amend, do pass as amended, and re-refer to Com. on APPR. (Ayes 11. Noes 0.) (April 13). `amendment-introduction, amendment-passage, committee-passage`
- **2010-04-20** Read second time and amended. `amendment-passage, reading-2, reading-1`
- **2010-04-21** Re-referred to Com. on APPR. `referral-committee`
- **2010-05-05** In committee: Hearing postponed by committee.
- **2010-05-19** In committee: Set, first hearing. Referred to APPR. suspense file. `referral-committee`
- **2010-05-28** From committee: Amend, and do pass as amended. (Ayes 17. Noes 0.) (May 28). `amendment-introduction, amendment-passage, committee-passage`
- **2010-05-28** Read second time and amended. Ordered returned to second reading. `amendment-passage, reading-2, reading-1`
- **2010-05-28** (Corrected June 15.)
- **2010-06-01** Read second time. To third reading. `reading-2, reading-1`
- **2010-06-02** Read third time, passed, and to Senate. (Ayes 73. Noes 0. Page 5477.) `reading-3, passage, reading-1`
- **2010-06-03** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2010-06-10** Referred to Coms. on N.R. & W. and RLS. `referral-committee`
- **2010-06-16** In committee: Set, first hearing. Hearing canceled at the request of author.
- **2010-06-21** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on N.R. & W. `amendment-introduction, reading-2, amendment-passage, referral-committee, reading-1`
- **2010-06-21** (Corrected July 1.)
- **2010-08-09** From committee: Amend, do pass as amended, and re-refer to Com. on RLS. (Ayes 9. Noes 0.) (June 29). `amendment-introduction, amendment-passage, committee-passage`
- **2010-08-10** Read second time and amended. Re-referred to Com. on RLS. `reading-2, amendment-passage, referral-committee, reading-1`
- **2010-08-12** Withdrawn from committee. Re-referred to Com. on APPR. `referral-committee`
- **2010-08-16** From committee: Amend, and do pass as amended. (Ayes 10. Noes 1.) (August 12). `amendment-introduction, amendment-passage, committee-passage`
- **2010-08-17** Read second time and amended. Ordered to third reading. `amendment-passage, reading-2, reading-1`
- **2010-08-20** Read third time, amended. To second reading. `reading-3, amendment-passage, reading-1`
- **2010-08-20** (Corrected August 23.)
- **2010-08-23** Read second time. To third reading. `reading-2, reading-1`
- **2010-08-25** Read third time, passed, and to Assembly. (Ayes 31. Noes 1. Page 4863.) `reading-3, passage, reading-1`
- **2010-08-31** In Assembly. Concurrence in Senate amendments pending.
- **2010-08-31** Senate amendments concurred in. To enrollment. (Ayes 68. Noes 2. Page 6927.) `amendment-passage, committee-passage-favorable`
- **2010-09-15** Enrolled and to the Governor at 4:45 p.m.
- **2010-09-30** Approved by the Governor. `executive-signature`
- **2010-09-30** Chaptered by Secretary of State - Chapter 687, Statutes of 2010.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/ea460d56-b6ee-4b92-975a-e5556eaf21f7`. Confidence: reported (aggregated from official California legislature records).