republic-os/legislation/us/states/ca/20112012/ab-472.md

---
type: "Bill"
title: "Controlled substances: overdose: punishment."
description: "Existing law, the California Uniform Controlled Substances Act, classifies controlled substances into 5 designated schedules, with the most restrictive limitations generally placed on controlled substances classified in Schedule I, and the least restrictive limitations generally placed on controlled substances classified in Schedule V. Existing law generally provides punishment for the unauthorized use, possession, and sale of controlled substances."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20112012"
identifier: "AB 472"
citation: "California AB 472 (20112012)"
classification: ["bill"]
subjects: ["Controlled substances: overdose: punishment."]
status: "enacted"
primary_sponsors: ["Ammiano"]
version_count: 8
action_count: 25
vote_count: 5
first_action: "2011-02-15"
last_action: "2012-09-17"
source: "openstates"
source_identifier: "ocd-bill/9f7bbffe-038f-4675-9bf0-96d4655411e9"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201120120AB472"
source_hash: "83f35277287d80e2edfcc3eedc289e726bff964a9887d3b97f68abdd27d7082a"
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 472 (20112012) — Controlled substances: overdose: punishment.

Existing law, the California Uniform Controlled Substances Act, classifies controlled substances into 5 designated schedules, with the most restrictive limitations generally placed on controlled substances classified in Schedule I, and the least restrictive limitations generally placed on controlled substances classified in Schedule V. Existing law generally provides punishment for the unauthorized use, possession, and sale of controlled substances.

## Version chain

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

1. **02/15/11 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201120120AB472&version=20110AB47299INT)
2. **03/08/12 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201120120AB472&version=20110AB47295AMD)
3. **05/23/11 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201120120AB472&version=20110AB47298AMD)
4. **06/13/11 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201120120AB472&version=20110AB47297AMD)
5. **09/02/11 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201120120AB472&version=20110AB47296AMD)
6. **09/17/12 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201120120AB472&version=20110AB47293CHP)
7. **AB472** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201120120AB472)
8. **08/31/12 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201120120AB472&version=20110AB47294ENR)

## Votes

- Do pass. — **5–0** (pass) · lower
- Do pass as amended. — **4–2** (pass) · upper
- 3rd Reading AB472 Ammiano By DeSaulnier — **21–16** (pass) · upper
- AB 472 AMMIANO Assembly Third Reading — **46–24** (pass) · lower
- AB 472 AMMIANO Concurrence in Senate Amendments — **55–24** (pass) · lower

## Sponsors

- Ammiano — primary (person)

## Timeline

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

- **2011-02-15** Read first time. To print. `reading-1`
- **2011-02-16** From printer. May be heard in committee March 18.
- **2011-03-03** Referred to Com. on PUB. S. `referral-committee`
- **2011-03-22** From committee: Do pass. (Ayes 5. Noes 0.) (March 22). `committee-passage, committee-passage-favorable`
- **2011-03-23** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2011-04-25** Read third time. Passed. Ordered to the Senate. (Ayes 46. Noes 24. Page 1036.) `reading-3, reading-1, passage`
- **2011-04-25** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2011-05-12** Referred to Com. on PUB. S. `referral-committee`
- **2011-05-23** From committee chair, with author's amendments: Amend, and re-refer to Com. on PUB. S. Read second time and amended. `reading-2, amendment-introduction, reading-1, amendment-passage`
- **2011-06-12** From committee: Do pass as amended. (Ayes 4. Noes 2.) (June 7). `amendment-passage, committee-passage, committee-passage-favorable`
- **2011-06-13** Read second time and amended. Ordered to third reading. `reading-2, reading-1, amendment-passage`
- **2011-09-02** Read third time and amended. Ordered to second reading. `reading-3, reading-1, amendment-passage`
- **2011-09-06** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2011-09-06** Re-referred to Com. on RLS. pursuant to Senate Rule 29.10(c). `referral-committee`
- **2012-02-02** Re-referred to Com. on GOV. & F. `referral-committee`
- **2012-03-08** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on GOV. & F. `reading-2, amendment-introduction, reading-1, amendment-passage, referral-committee`
- **2012-03-12** Withdrawn from committee.
- **2012-03-12** Ordered to second reading.
- **2012-03-13** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2012-08-22** Read third time. Passed. Ordered to the Assembly. (Ayes 21. Noes 16. Page 4693.). `reading-3, reading-1, passage`
- **2012-08-22** In Assembly. Concurrence in Senate amendments pending. May be considered on or after August 24 pursuant to Assembly Rule 77.
- **2012-08-27** Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 55. Noes 24. Page 6294.). `committee-passage-favorable, amendment-passage`
- **2012-09-10** Enrolled and presented to the Governor at 11:25 a.m.
- **2012-09-17** Approved by the Governor. `executive-signature`
- **2012-09-17** Chaptered by Secretary of State - Chapter 338, Statutes of 2012.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/9f7bbffe-038f-4675-9bf0-96d4655411e9`. Confidence: reported (aggregated from official California legislature records).