---
type: "Bill"
title: "Electrically motorized boards."
description: "Existing law regulates the operation of bicycles, motorized scooters, and electric personal assistive mobility devices, as defined. Existing law makes a violation of these provisions punishable as an infraction."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20152016"
identifier: "AB 604"
citation: "California AB 604 (20152016)"
classification: ["bill"]
subjects: ["Electrically motorized boards."]
status: "enacted"
primary_sponsors: ["Olsen"]
version_count: 7
action_count: 40
vote_count: 8
first_action: "2015-02-24"
last_action: "2015-10-11"
source: "openstates"
source_identifier: "ocd-bill/a6fb7777-4a3e-4b1f-b39a-043556ec8218"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201520160AB604"
source_hash: "e4d61e907d866639b3c05a15542366fd74f3558baca91291197d50aaab8bbbb3"
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 604 (20152016) — Electrically motorized boards.

Existing law regulates the operation of bicycles, motorized scooters, and electric personal assistive mobility devices, as defined. Existing law makes a violation of these provisions punishable as an infraction.

## Version chain

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

1. **02/24/15 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201520160AB604&version=20150AB60499INT)
2. **04/20/15 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201520160AB604&version=20150AB60498AMD)
3. **06/24/15 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201520160AB604&version=20150AB60497AMD)
4. **09/04/15 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201520160AB604&version=20150AB60496AMD)
5. **10/11/15 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201520160AB604&version=20150AB60494CHP)
6. **AB604** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201520160AB604)
7. **09/16/15 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201520160AB604&version=20150AB60495ENR)

## Votes

- Do pass and be re-referred to the Committee on [Appropriations] — **11–3** (pass) · lower
- AB 604 OLSEN Concurrence in Senate Amendments — **75–1** (pass) · lower
- 3rd Reading AB604 Olsen By Beall — **32–1** (pass) · upper
- Do pass. — **17–0** (pass) · lower
- 3rd Reading (Supplemental File 1) AB604 Olsen By Beall — **37–0** (pass) · upper
- AB 604 OLSEN Assembly Third Reading — **61–8** (pass) · lower
- Do pass as amended, but first amend, and re-refer to the Committee on [Appropriations] — **10–1** (pass) · upper
- AB 604 OLSEN Concurrence in Senate Amendments — **76–1** (pass) · lower

## Sponsors

- Olsen — primary (person)
- Baker — coauthor (person)
- Calderon — coauthor (person)
- Cristina Garcia — coauthor (person)
- Linder — coauthor (person)
- Mark Stone — coauthor (person)
- Melendez — coauthor (person)
- Waldron — coauthor (person)

## Timeline

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

- **2015-02-24** Read first time. To print. `reading-1`
- **2015-02-25** From printer. May be heard in committee March 27.
- **2015-03-09** Referred to Com. on TRANS. `referral-committee`
- **2015-03-26** In committee: Set, first hearing. Hearing canceled at the request of author.
- **2015-04-16** In committee: Hearing postponed by committee.
- **2015-04-20** From committee chair, with author's amendments: Amend, and re-refer to Com. on TRANS. Read second time and amended. `reading-2, amendment-introduction, amendment-passage, reading-1`
- **2015-04-21** Re-referred to Com. on TRANS. `referral-committee`
- **2015-04-28** From committee: Do pass and re-refer to Com. on APPR. (Ayes 11. Noes 3.) (April 27). Re-referred to Com. on APPR. `referral-committee, committee-passage-favorable, committee-passage`
- **2015-05-06** From committee: Do pass. (Ayes 17. Noes 0.) (May 6). `committee-passage-favorable, committee-passage`
- **2015-05-07** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2015-05-18** Read third time. Passed. Ordered to the Senate. (Ayes 61. Noes 8. Page 1479.) `reading-3, passage, reading-1`
- **2015-05-18** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2015-05-28** Referred to Com. on T. & H. `referral-committee`
- **2015-06-23** From committee: Amend, and do pass as amended and re-refer to Com. on APPR. (Ayes 10. Noes 1.) (June 16). `amendment-introduction, committee-passage, amendment-passage`
- **2015-06-24** Read second time and amended. Re-referred to Com. on APPR. `referral-committee, reading-2, amendment-passage, reading-1`
- **2015-07-06** From committee: Be placed on second reading file pursuant to Senate Rule 28.8. `committee-passage`
- **2015-07-07** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2015-07-09** Read third time. Passed. Ordered to the Assembly. (Ayes 32. Noes 1. Page 1877.). `reading-3, passage, reading-1`
- **2015-07-09** In Assembly. Concurrence in Senate amendments pending. May be considered on or after July 11 pursuant to Assembly Rule 77.
- **2015-07-16** Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 76. Noes 1. Page 2408.). `committee-passage-favorable, amendment-passage`
- **2015-08-17** Withdrawn from Engrossing and Enrolling.
- **2015-08-17** Action rescinded whereby the Assembly concurred in Senate amendments.
- **2015-08-17** Ordered to the Senate.
- **2015-08-17** In Senate. Held at Desk.
- **2015-09-04** Action rescinded whereby the bill was read third time, passed, and to Assembly. `reading-3, passage`
- **2015-09-04** Ordered to third reading.
- **2015-09-04** Read third time and amended. Ordered to second reading. `reading-3, amendment-passage, reading-1`
- **2015-09-08** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2015-09-10** Re-referred to Com. on RLS. `referral-committee`
- **2015-09-10** (Ayes 23. Noes 13. Page 2695.)
- **2015-09-11** Withdrawn from committee.
- **2015-09-11** (Ayes 24. Noes 3. Page 2437.)
- **2015-09-11** Ordered to third reading.
- **2015-09-11** Read third time. Passed. Ordered to the Assembly. (Ayes 37. Noes 0. Page 2760.). `reading-3, passage, reading-1`
- **2015-09-11** In Assembly. Concurrence in Senate amendments pending.
- **2015-09-11** Assembly Rule 63 suspended. (Page 3194.)
- **2015-09-11** Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 75. Noes 1. Page 3196.). `committee-passage-favorable, amendment-passage`
- **2015-09-23** Enrolled and presented to the Governor at 4 p.m.
- **2015-10-11** Approved by the Governor. `executive-signature`
- **2015-10-11** Chaptered by Secretary of State - Chapter 777, Statutes of 2015.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/a6fb7777-4a3e-4b1f-b39a-043556ec8218`. Confidence: reported (aggregated from official California legislature records).