---
type: "Bill"
title: "Vehicles: motorcycle safety."
description: "Vehicles: motorcycle safety."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "19992000"
identifier: "AB 975"
citation: "California AB 975 (19992000)"
classification: ["bill"]
subjects: ["Vehicles: motorcycle safety."]
status: "enacted"
primary_sponsors: ["Ducheny"]
version_count: 8
action_count: 24
vote_count: 8
first_action: "1999-02-25"
last_action: "1999-10-10"
source: "openstates"
source_identifier: "ocd-bill/c3ca2a8b-6f2b-49c1-919e-8609ed7bf116"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=199920000AB975"
source_hash: "655ea6e3130722c805e6ba0ae9ce3d775dae56e0a2b15e3dd955412d3fe1971e"
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 975 (19992000) — Vehicles: motorcycle safety.

## Version chain

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

1. **02/25/99 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB975&version=19990AB97599INT)
2. **05/03/99 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB975&version=19990AB97598AMD)
3. **05/28/99 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB975&version=19990AB97597AMD)
4. **07/07/99 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB975&version=19990AB97596AMD)
5. **09/02/99 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB975&version=19990AB97595AMD)
6. **10/10/99 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB975&version=19990AB97593CHP)
7. **AB975** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=199920000AB975)
8. **09/08/99 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB975&version=19990AB97594ENR)

## Votes

- Do pass as amended. — **pass** (pass) · upper
- Do pass as amended. — **pass** (pass) · lower
- AB 975 DUCHENY CONCURRENCE — **pass** (pass) · lower
- Do pass as amended, and re-refer to the Committee on Appropriations. — **pass** (pass) · upper
- AB 975 DUCHENY THIRD READING — **pass** (pass) · lower
- Placed on Appropriations suspense file. — **pass** (pass) · upper
- Assembly 3rd Reading AB975 Ducheny By Alarcon — **pass** (pass) · upper
- Do pass and be re-referred to the Committee on Appropriations. — **pass** (pass) · lower

## Sponsors

- Ducheny — primary (person)

## Timeline

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

- **1999-10-10** Chaptered by Secretary of State - Chapter 610, Statutes of 1999.
- **1999-10-05** Approved by the Governor. `executive-signature`
- **1999-09-17** Enrolled and to the Governor at 1:30 p.m.
- **1999-09-08** Assembly Rule 77 suspended. Senate amendments concurred in. To enrollment. (Ayes 67. Noes 2. Page 4117.) `committee-passage-favorable, amendment-passage`
- **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 31. Noes 3. Page 2992.) `passage, reading-3, reading-1`
- **1999-09-02** From committee: Amend, and do pass as amended. (Ayes 9. Noes 2.). Read second time and amended. Ordered to third reading. `amendment-introduction, amendment-passage, committee-passage, reading-2, reading-1`
- **1999-08-23** Joint Rule 61 (a) suspended.
- **1999-08-16** In committee: Placed on Appropriations suspense file.
- **1999-07-07** Read second time, amended, and re-referred to Standing Committee on Appropriations. `amendment-passage, reading-2, reading-1, referral-committee`
- **1999-07-06** From committee: Amend, do pass as amended, and re-refer to Standing Committee on Appropriations (Ayes 10. Noes 0.). `committee-passage, amendment-introduction, amendment-passage, referral-committee`
- **1999-06-17** Referred to Standing Committee on Transportation. `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 76. Noes 2. Page 2274.) `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 21. Noes 0.) (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`
- **1999-05-06** Re-referred to Standing Committee on Appropriations. `referral-committee`
- **1999-05-03** From committee chair, with author's amendments: Amend, and re-refer to Standing Committee on Appropriations Read second time and amended. `amendment-introduction, amendment-passage, reading-2, reading-1, referral-committee`
- **1999-04-20** From committee: Do pass, and re-refer to Standing Committee on Appropriations Re-referred. (Ayes 16. Noes 3.) (April 19). `committee-passage, committee-passage-favorable, referral-committee`
- **1999-04-05** In committee: Set, first hearing. Hearing canceled at the request of author.
- **1999-03-11** Referred to Standing Committee on Transportation. `referral-committee`
- **1999-02-26** From printer. May be heard in committee March 28.
- **1999-02-25** 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/c3ca2a8b-6f2b-49c1-919e-8609ed7bf116`. Confidence: reported (aggregated from official California legislature records).