republic-os/legislation/us/states/ca/20092010/ab-2028.md

---
type: "Bill"
title: "Confidentiality of medical information: disclosure."
description: "Existing law specifies certain agencies to which mandated reports of suspected child abuse or neglect shall be made. Existing law authorizes information relevant to the incident of child abuse or neglect to be given to an investigator from an agency that is investigating the case, as provided. Existing law also authorizes information relevant to the incident of elder or dependent adult abuse to be given to an investigator from an agency investigating the case, as provided."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20092010"
identifier: "AB 2028"
citation: "California AB 2028 (20092010)"
classification: ["bill"]
subjects: ["Confidentiality of medical information: disclosure."]
status: "enacted"
primary_sponsors: ["Hernandez"]
version_count: 9
action_count: 28
vote_count: 7
first_action: "2010-02-17"
last_action: "2010-09-29"
source: "openstates"
source_identifier: "ocd-bill/0364ca52-c689-4472-b426-6aca2585eca1"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200920100AB2028"
source_hash: "906a54d81738e85d1c859932bf108688013df5d5b9200f8b64f59776dccc9a55"
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 2028 (20092010) — Confidentiality of medical information: disclosure.

Existing law specifies certain agencies to which mandated reports of suspected child abuse or neglect shall be made. Existing law authorizes information relevant to the incident of child abuse or neglect to be given to an investigator from an agency that is investigating the case, as provided. Existing law also authorizes information relevant to the incident of elder or dependent adult abuse to be given to an investigator from an agency investigating the case, as provided.

## 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=200920100AB2028&version=20090AB202899INT)
2. **03/10/10 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB2028&version=20090AB202898AMD)
3. **04/13/10 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB2028&version=20090AB202897AMD)
4. **06/03/10 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB2028&version=20090AB202896AMD)
5. **06/22/10 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB2028&version=20090AB202895AMD)
6. **08/09/10 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB2028&version=20090AB202894AMD)
7. **09/29/10 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB2028&version=20090AB202892CHP)
8. **AB2028** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200920100AB2028)
9. **08/19/10 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB2028&version=20090AB202893ENR)

## Votes

- Do pass as amended, and re-refer to the Committee on Appropriations. — **pass** (pass) · upper
- Do pass and be re-referred to the Committee on Judiciary. — **pass** (pass) · lower
- AB 2028 HERNANDEZ Concurrence in Senate Amendments — **pass** (pass) · lower
- Do pass, to Consent Calendar. — **pass** (pass) · lower
- AB 2028 HERNANDEZ Consent Calendar Second Day Regular Session — **pass** (pass) · lower
- Do pass as amended and be re-referred to the Committee on Appropriations. — **pass** (pass) · lower
- Assembly 3rd Reading AB2028 Hernandez By Leno — **pass** (pass) · upper

## Sponsors

- Hernandez — 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 Coms. on HEALTH and JUD. `referral-committee`
- **2010-03-10** From committee chair, with author's amendments: Amend, and re-refer to Com. on HEALTH. Read second time and amended. `amendment-introduction, reading-2, amendment-passage, reading-1`
- **2010-03-11** Re-referred to Com. on HEALTH. `referral-committee`
- **2010-03-24** From committee: Do pass, and re-refer to Com. on JUD. Re-referred. (Ayes 17. Noes 0.) (March 23). `committee-passage-favorable, committee-passage`
- **2010-04-12** From committee: Amend, do pass as amended, and re-refer to Com. on APPR. (Ayes 9. Noes 0.) (April 6). `amendment-introduction, amendment-passage, committee-passage`
- **2010-04-13** Read second time and amended. `amendment-passage, reading-2, reading-1`
- **2010-04-14** Re-referred to Com. on APPR. `referral-committee`
- **2010-04-29** From committee: Do pass. To Consent Calendar. (April 28). `committee-passage-favorable, committee-passage`
- **2010-05-03** Read second time. To Consent Calendar. `reading-2, reading-1`
- **2010-05-06** Read third time, passed, and to Senate. (Ayes 74. Noes 0. Page 5053.) `reading-3, passage, reading-1`
- **2010-05-06** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2010-05-20** Referred to Com. on JUD. `referral-committee`
- **2010-05-28** In committee: Set, first hearing. Hearing canceled at the request of author.
- **2010-06-03** 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`
- **2010-06-21** From committee: Amend, do pass as amended, and re-refer to Com. on APPR. (Ayes 5. Noes 0.) (June 15). `amendment-introduction, amendment-passage, committee-passage`
- **2010-06-22** Read second time and amended. Re-referred to Com. on APPR. `reading-2, amendment-passage, referral-committee, reading-1`
- **2010-08-02** From committee: Be placed on second reading file pursuant to Senate Rule 28.8. `committee-passage`
- **2010-08-03** Read second time. To third reading. `reading-2, reading-1`
- **2010-08-09** Read third time, amended. To second reading. `reading-3, amendment-passage, reading-1`
- **2010-08-10** Read second time. To third reading. `reading-2, reading-1`
- **2010-08-12** Read third time, passed, and to Assembly. (Ayes 32. Noes 0. Page 4486.) `reading-3, passage, reading-1`
- **2010-08-12** In Assembly. Concurrence in Senate amendments pending. May be considered on or after August 17 pursuant to Assembly Rule 77.
- **2010-08-17** Senate amendments concurred in. To enrollment. (Ayes 76. Noes 0. Page 6283.) `amendment-passage, committee-passage-favorable`
- **2010-08-26** Enrolled and to the Governor at 3 p.m.
- **2010-09-29** Approved by the Governor. `executive-signature`
- **2010-09-29** Chaptered by Secretary of State - Chapter 540, Statutes of 2010.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/0364ca52-c689-4472-b426-6aca2585eca1`. Confidence: reported (aggregated from official California legislature records).