---
type: "Bill"
title: "Seismic safety: schools."
description: "Seismic safety: schools."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "19992000"
identifier: "AB 300"
citation: "California AB 300 (19992000)"
classification: ["bill"]
subjects: ["Seismic safety: schools."]
status: "enacted"
primary_sponsors: ["Corbett"]
version_count: 9
action_count: 26
vote_count: 13
first_action: "1999-02-08"
last_action: "1999-10-10"
source: "openstates"
source_identifier: "ocd-bill/7fbc3cba-97ac-41ce-9f87-52d50d46c6f0"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=199920000AB300"
source_hash: "05a8d43f26a8952b72f41d3b0d201a3d0bbdc787c110e70dc113d91690bb286a"
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 300 (19992000) — Seismic safety: schools.

## Version chain

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

1. **02/08/99 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB300&version=19990AB30099INT)
2. **04/05/99 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB300&version=19990AB30098AMD)
3. **05/28/99 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB300&version=19990AB30097AMD)
4. **06/29/99 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB300&version=19990AB30096AMD)
5. **08/26/99 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB300&version=19990AB30095AMD)
6. **09/03/99 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB300&version=19990AB30094AMD)
7. **10/10/99 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB300&version=19990AB30092CHP)
8. **AB300** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=199920000AB300)
9. **09/09/99 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB300&version=19990AB30093ENR)

## Votes

- Do pass as amended, and re-refer to the Committee on Appropriations. — **pass** (pass) · upper
- Placed on Appropriations suspense file. — **pass** (pass) · upper
- AB 300 CORBETT CONCURRENCE — **pass** (pass) · lower
- W/O REF. TO FILE AB300 Nunez Invoke Constitution — **pass** (pass) · upper
- W/O REF. TO FILE AB300 Nunez Urgency Clause — **pass** (pass) · upper
- W/O REF. TO FILE AB300 Nunez Urgency Clause — **pass** (pass) · upper
- Assembly 3rd Reading AB300 Corbett By Alarcon — **pass** (pass) · upper
- Do pass as amended. — **pass** (pass) · upper
- Do pass. — **pass** (pass) · upper
- Do pass and be re-referred to the Committee on Appropriations. — **pass** (pass) · lower
- Do pass as amended. — **pass** (pass) · lower
- W/O REF. TO FILE AB300 Nunez Invoke Constitution — **pass** (pass) · upper
- AB 300 CORBETT THIRD READING — **pass** (pass) · lower

## Sponsors

- Corbett — primary (person)
- Alarcon — coauthor (person)
- Alquist — principal coauthor (person)
- Baca — coauthor (person)
- Honda — coauthor (person)
- Keeley — coauthor (person)
- Knox — coauthor (person)
- Scott — coauthor (person)
- Sher — coauthor (person)
- Solis — coauthor (person)

## Timeline

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

- **1999-10-10** Chaptered by Secretary of State - Chapter 622, Statutes of 1999.
- **1999-10-05** Approved by the Governor. `executive-signature`
- **1999-09-17** Enrolled and to the Governor at 4 p.m.
- **1999-09-09** Senate amendments concurred in. To enrollment. (Ayes 66. Noes 13. Page 4147.) `committee-passage-favorable, amendment-passage`
- **1999-09-08** Assembly Rule 77 suspended.
- **1999-09-07** In Assembly. Concurrence in Senate amendments pending. May be considered on or after September 9 pursuant to Assembly Rule 77.
- **1999-09-07** Read third time, passed, and to Assembly. (Ayes 25. Noes 13. Page 2985.) `passage, reading-3, reading-1`
- **1999-09-03** Joint Rule 61 (a) suspended. From committee: Amend, and do pass as amended. (Ayes 7. Noes 2.). Read second time and amended. Ordered to third reading. `amendment-introduction, amendment-passage, committee-passage, reading-2, reading-1`
- **1999-09-01** In committee: Set, first hearing. Held under submission.
- **1999-08-26** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Standing Committee on Appropriations. `amendment-introduction, amendment-passage, reading-2, reading-1, referral-committee`
- **1999-08-23** Joint Rule 61 (a) suspended.
- **1999-07-12** In committee: Placed on Appropriations suspense file.
- **1999-06-29** Read second time, amended, and re-referred to Standing Committee on Appropriations. `amendment-passage, reading-2, reading-1, referral-committee`
- **1999-06-28** From committee: Amend, do pass as amended, and re-refer to Standing Committee on Appropriations (Ayes 8. Noes 2.). `committee-passage, amendment-introduction, amendment-passage, referral-committee`
- **1999-06-07** Referred to Standing Committee on Education. `referral-committee`
- **1999-06-03** In Senate. Read first time. To Standing Committee on Rules for assignment. `reading-1`
- **1999-06-02** Read third time, passed, and to Senate. (Ayes 64. Noes 13. Page 2293.) `passage, reading-3, reading-1`
- **1999-06-01** Read second time. To third reading. `reading-2, reading-1`
- **1999-05-28** From committee: Amend, and do pass as amended. (Ayes 16. Noes 4.) (May 26). Read second time and amended. Ordered returned to second reading. `amendment-introduction, amendment-passage, committee-passage, reading-2, reading-1`
- **1999-05-12** In committee: Set, first hearing. Referred to Standing Committee on Appropriations suspense file. `referral-committee`
- **1999-04-26** From committee: Do pass, and re-refer to Standing Committee on Appropriations Re-referred. (Ayes 14. Noes 1.) (April 21). (Received April 23 pursuant to Joint Rule 61 (a)(2)). `committee-passage, committee-passage-favorable, referral-committee`
- **1999-04-06** Re-referred to Standing Committee on Education. `referral-committee`
- **1999-04-05** From committee chair, with author's amendments: Amend, and re-refer to Standing Committee on Education Read second time and amended. `amendment-introduction, amendment-passage, reading-2, reading-1, referral-committee`
- **1999-03-25** Referred to Standing Committee on Education. `referral-committee`
- **1999-02-09** From printer. May be heard in committee March 11.
- **1999-02-08** Read first time. To print. `reading-1`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/7fbc3cba-97ac-41ce-9f87-52d50d46c6f0`. Confidence: reported (aggregated from official California legislature records).