republic-os/legislation/us/states/ca/20092010/ab-939.md

---
type: "Bill"
title: "Family law proceedings."
description: "Existing law prohibits after entry of judgment in specified family law proceedings in which there was at issue the visitation, custody, or support of a child, modification of the judgment or order, and prohibits a subsequent order in the proceedings, unless notice is served upon the party, as specified."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20092010"
identifier: "AB 939"
citation: "California AB 939 (20092010)"
classification: ["bill"]
subjects: ["Family law proceedings."]
status: "enacted"
primary_sponsors: ["Committee on Judiciary"]
version_count: 10
action_count: 28
vote_count: 6
first_action: "2009-02-26"
last_action: "2010-09-27"
source: "openstates"
source_identifier: "ocd-bill/c791581a-0294-46fb-8b84-79f4f6da00ec"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200920100AB939"
source_hash: "d901343354d43dd5dcf0e105542514aa1a7477e2acca35ae444979883a48ac82"
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 939 (20092010) — Family law proceedings.

Existing law prohibits after entry of judgment in specified family law proceedings in which there was at issue the visitation, custody, or support of a child, modification of the judgment or order, and prohibits a subsequent order in the proceedings, unless notice is served upon the party, as specified.

## Version chain

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

1. **02/26/09 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB939&version=20090AB93999INT)
2. **01/04/10 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB939&version=20090AB93998AMD)
3. **06/17/10 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB939&version=20090AB93997AMD)
4. **07/15/10 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB939&version=20090AB93996AMD)
5. **08/02/10 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB939&version=20090AB93995AMD)
6. **08/03/10 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB939&version=20090AB93994AMD)
7. **08/16/10 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB939&version=20090AB93993AMD)
8. **09/27/10 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB939&version=20090AB93991CHP)
9. **AB939** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200920100AB939)
10. **08/30/10 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB939&version=20090AB93992ENR)

## Votes

- Do pass, to Consent Calendar. — **pass** (pass) · lower
- Do pass. — **pass** (pass) · upper
- Assembly 3rd Reading AB939 Committee on JUD. (Feuer) — **pass** (pass) · upper
- AB 939 JUD. Concurrence in Senate Amendments By FEUER — **pass** (pass) · lower
- AB 939 JUD. Consent Calendar Second Day Regular Session — **pass** (pass) · lower
- Do pass as amended, and re-refer to the Committee on Appropriations. — **pass** (pass) · upper

## Sponsors

- Committee on Judiciary — primary (person)

## Timeline

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

- **2009-02-26** Read first time. To print. `reading-1`
- **2009-02-27** From printer. May be heard in committee March 29.
- **2009-03-26** Referred to Com. on JUD. `referral-committee`
- **2009-04-28** In committee: Hearing postponed by committee.
- **2010-01-04** From committee chair, with author's amendments: Amend, and re-refer to Com. on JUD. Read second time and amended. `amendment-introduction, reading-2, amendment-passage, reading-1`
- **2010-01-04** Re-referred to Com. on JUD. `referral-committee`
- **2010-01-12** From committee: Do pass. To Consent Calendar. (January 12). `committee-passage-favorable, committee-passage`
- **2010-01-13** Read second time. To Consent Calendar. `reading-2, reading-1`
- **2010-01-19** Read third time, passed, and to Senate. (Ayes 71. Noes 0. Page 3816.) `reading-3, passage, reading-1`
- **2010-01-19** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2010-02-04** Referred to Coms. on JUD. and APPR. `referral-committee`
- **2010-06-17** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on JUD. `amendment-introduction, reading-2, amendment-passage, referral-committee, reading-1`
- **2010-07-15** From committee: Amend, do pass as amended, and re-refer to Com. on APPR. (Ayes 4. Noes 0.) (June 29). `amendment-introduction, amendment-passage, committee-passage`
- **2010-07-15** Read second time and amended. Re-referred to Com. on APPR. `reading-2, amendment-passage, referral-committee, reading-1`
- **2010-08-02** In committee: Hearing postponed by committee.
- **2010-08-02** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on APPR. `amendment-introduction, reading-2, amendment-passage, referral-committee, reading-1`
- **2010-08-03** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on APPR. `amendment-introduction, reading-2, amendment-passage, referral-committee, reading-1`
- **2010-08-10** From committee: Do pass. (Ayes 8. Noes 0.) (August 9). `committee-passage-favorable, committee-passage`
- **2010-08-11** Read second time. To third reading. `reading-2, reading-1`
- **2010-08-16** Read third time, amended. To second reading. `reading-3, amendment-passage, reading-1`
- **2010-08-17** Read second time. To third reading. `reading-2, reading-1`
- **2010-08-20** Read third time, passed, and to Assembly. (Ayes 32. Noes 0. Page 4709.) `reading-3, passage, reading-1`
- **2010-08-20** In Assembly. Concurrence in Senate amendments pending. May be considered on or after August 24 pursuant to Assembly Rule 77.
- **2010-08-23** Assembly Rule 77 suspended. (Page 6463.)
- **2010-08-23** Senate amendments concurred in. To enrollment. (Ayes 75. Noes 0. Page 6482.) `amendment-passage, committee-passage-favorable`
- **2010-09-02** Enrolled and to the Governor at 3:45 p.m.
- **2010-09-25** Approved by the Governor. `executive-signature`
- **2010-09-27** Chaptered by Secretary of State - Chapter 352, Statutes of 2010.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/c791581a-0294-46fb-8b84-79f4f6da00ec`. Confidence: reported (aggregated from official California legislature records).