---
type: "Bill"
title: "Agricultural land: Williamson Act: lot line adjustments: contracts."
description: "The Williamson Act, until January 1, 2011, authorizes a city or county and a landowner to agree to rescind a contract or contracts and simultaneously enter into a new contract or contracts to facilitate lot line adjustments. The act requires the Department of Conservation to review the contract rescission provision in its 2008 Williamson Act Status Report."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20092010"
identifier: "AB 1965"
citation: "California AB 1965 (20092010)"
classification: ["bill"]
subjects: ["Agricultural land: Williamson Act: lot line adjustments: contracts."]
status: "enacted"
primary_sponsors: ["Yamada"]
version_count: 5
action_count: 19
vote_count: 5
first_action: "2010-02-17"
last_action: "2010-07-09"
source: "openstates"
source_identifier: "ocd-bill/cc9e281e-ef60-4ca3-b2e0-384dd9789da4"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200920100AB1965"
source_hash: "cfdf16a282fb1413833b7205d5205fa491d18e5b5539a4416bc1496f19c720c6"
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 1965 (20092010) — Agricultural land: Williamson Act: lot line adjustments: contracts.

The Williamson Act, until January 1, 2011, authorizes a city or county and a landowner to agree to rescind a contract or contracts and simultaneously enter into a new contract or contracts to facilitate lot line adjustments. The act requires the Department of Conservation to review the contract rescission provision in its 2008 Williamson Act Status Report.

## Version chain

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

1. **02/17/10 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB1965&version=20090AB196599INT)
2. **04/13/10 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB1965&version=20090AB196598AMD)
3. **07/09/10 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB1965&version=20090AB196596CHP)
4. **AB1965** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200920100AB1965)
5. **06/25/10 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB1965&version=20090AB196597ENR)

## Votes

- Consent Calendar 2nd AB1965 Yamada — **pass** (pass) · upper
- AB 1965 YAMADA Consent Calendar Second Day Regular Session — **pass** (pass) · lower
- Do pass, to Consent Calendar. — **pass** (pass) · lower
- Do pass and be re-referred to the Committee on Local Government to Consent Calendar. — **pass** (pass) · lower
- Do pass and be placed on the Consent Calendar. — **pass** (pass) · upper

## Sponsors

- Yamada — primary (person)

## Timeline

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

- **2010-02-17** Read first time. To print. `reading-1`
- **2010-02-18** From printer. May be heard in committee March 20.
- **2010-03-04** Referred to Com. on AGRI. `referral-committee`
- **2010-04-13** From committee chair, with author's amendments: Amend, and re-refer to Com. on AGRI. Read second time and amended. `amendment-introduction, reading-2, amendment-passage, reading-1`
- **2010-04-14** Re-referred to Com. on AGRI. `referral-committee`
- **2010-04-14** In committee: Set, first hearing. Hearing canceled at the request of author.
- **2010-04-21** From committee: Do pass, and re-refer to Com. on L. GOV. with recommendation: To Consent Calendar. Re-referred. (Ayes 7. Noes 0.) (April 21). `committee-passage-favorable, committee-passage`
- **2010-05-06** From committee: Do pass. To Consent Calendar. (May 5). `committee-passage-favorable, committee-passage`
- **2010-05-10** Read second time. To Consent Calendar. `reading-2, reading-1`
- **2010-05-13** Read third time, passed, and to Senate. (Ayes 76. Noes 0. Page 5162.) `reading-3, passage, reading-1`
- **2010-05-13** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2010-05-27** Referred to Com. on L. GOV. `referral-committee`
- **2010-06-16** From committee: Do pass. To Consent Calendar. (June 16). `committee-passage-favorable, committee-passage`
- **2010-06-17** Read second time. To Consent Calendar. `reading-2, reading-1`
- **2010-06-24** Read third time, passed, and to Assembly. (Ayes 31. Noes 0. Page 4057.) `reading-3, passage, reading-1`
- **2010-06-24** In Assembly. To enrollment.
- **2010-06-30** Enrolled and to the Governor at 11:15 a.m.
- **2010-07-09** Approved by the Governor. `executive-signature`
- **2010-07-09** Chaptered by Secretary of State - Chapter 60, Statutes of 2010.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/cc9e281e-ef60-4ca3-b2e0-384dd9789da4`. Confidence: reported (aggregated from official California legislature records).