---
type: "Bill"
title: "Instructional materials: revised curriculum framework: history-social science."
description: "Existing law prohibits the State Board of Education from adopting instructional materials until the 2015–16 school year."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20112012"
identifier: "SB 1540"
citation: "California SB 1540 (20112012)"
classification: ["bill"]
subjects: ["Instructional materials: revised curriculum framework: history-social science."]
status: "enacted"
primary_sponsors: ["Hancock"]
version_count: 7
action_count: 25
vote_count: 7
first_action: "2012-02-24"
last_action: "2012-09-08"
source: "openstates"
source_identifier: "ocd-bill/de96a962-de08-4310-a59f-dcdd6edf3c47"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201120120SB1540"
source_hash: "7f1874dd616e37be5099b50b43488bdc0b5623bdd05b301a355e678c1988effc"
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 SB 1540 (20112012) — Instructional materials: revised curriculum framework: history-social science.

Existing law prohibits the State Board of Education from adopting instructional materials until the 2015–16 school year.

## Version chain

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

1. **02/24/12 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201120120SB1540&version=20110SB154099INT)
2. **03/29/12 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201120120SB1540&version=20110SB154098AMD)
3. **06/20/12 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201120120SB1540&version=20110SB154097AMD)
4. **08/20/12 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201120120SB1540&version=20110SB154096AMD)
5. **09/08/12 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201120120SB1540&version=20110SB154094CHP)
6. **SB1540** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201120120SB1540)
7. **08/27/12 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201120120SB1540&version=20110SB154095ENR)

## Votes

- Do pass as amended and be re-referred to the Committee on Appropriations. — **8–0** (pass) · lower
- Do pass. — **7–0** (pass) · upper
- Unfinished Business SB1540 Hancock Concurrence — **37–0** (pass) · upper
- SB 1540 Hancock Senate Third Reading By PEREA — **77–0** (pass) · lower
- Do pass as amended, and re-refer to the Committee on Appropriations. — **8–0** (pass) · upper
- Do pass as amended. — **16–0** (pass) · lower
- 3rd Reading — **38–0** (pass) · upper

## Sponsors

- Hancock — primary (person)
- Alejo — coauthor (person)
- Davis — coauthor (person)
- De León — coauthor (person)
- Eng — coauthor (person)
- Perea — principal coauthor (person)
- Portantino — coauthor (person)
- V. Manuel Pérez — principal coauthor (person)
- Wyland — coauthor (person)
- Yamada — coauthor (person)

## Timeline

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

- **2012-02-24** Introduced. To Com. on RLS. for assignment. To print. `introduction`
- **2012-02-25** From printer. May be acted upon on or after March 26.
- **2012-02-27** Read first time. `reading-1`
- **2012-03-22** Referred to Com. on ED. `referral-committee`
- **2012-03-23** Set for hearing March 28.
- **2012-03-28** From committee: Do pass as amended and re-refer to Com. on APPR. (Ayes 8. Noes 0. Page 3034.) (March 28). `amendment-passage, committee-passage, committee-passage-favorable`
- **2012-03-29** Read second time and amended. Re-referred to Com. on APPR. `reading-2, reading-1, amendment-passage, referral-committee`
- **2012-04-20** Set for hearing April 30.
- **2012-05-01** From committee: Do pass. (Ayes 7. Noes 0. Page 3388.) (April 30). `committee-passage, committee-passage-favorable`
- **2012-05-02** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2012-05-07** Read third time. Passed. (Ayes 38. Noes 0. Page 3430.) Ordered to the Assembly. `reading-3, reading-1, passage`
- **2012-05-07** In Assembly. Read first time. Held at Desk. `reading-1`
- **2012-05-17** Referred to Com. on ED. `referral-committee`
- **2012-06-19** From committee: Do pass as amended and re-refer to Com. on APPR. (Ayes 8. Noes 0.) (June 13). `amendment-passage, committee-passage, committee-passage-favorable`
- **2012-06-20** Read second time and amended. Re-referred to Com. on APPR. `reading-2, reading-1, amendment-passage, referral-committee`
- **2012-08-08** Set, first hearing. Referred to APPR. suspense file. `referral-committee`
- **2012-08-16** From committee: Do pass as amended. (Ayes 16. Noes 0.) (August 16). `amendment-passage, committee-passage, committee-passage-favorable`
- **2012-08-20** Read second time and amended. Ordered to second reading. `reading-2, reading-1, amendment-passage`
- **2012-08-21** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2012-08-22** Read third time. Passed. (Ayes 77. Noes 0. Page 6131.) Ordered to the Senate. `reading-3, reading-1, passage`
- **2012-08-22** In Senate. Concurrence in Assembly amendments pending.
- **2012-08-23** Assembly amendments concurred in. (Ayes 37. Noes 0. Page 4773.) Ordered to engrossing and enrolling. `committee-passage-favorable, amendment-passage`
- **2012-08-30** Enrolled and presented to the Governor at 4 p.m.
- **2012-09-08** Approved by the Governor. `executive-signature`
- **2012-09-08** Chaptered by Secretary of State. Chapter 288, Statutes of 2012.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/de96a962-de08-4310-a59f-dcdd6edf3c47`. Confidence: reported (aggregated from official California legislature records).