republic-os/legislation/us/states/ca/20172018/sb-20.md

---
type: "Bill"
title: "Vehicles: buses: seatbelts."
description: "Existing law prohibits a person from operating a motor vehicle on a highway unless that person and all passengers 16 years of age or over are properly restrained by a safety belt. Existing law makes the violation of this provision an infraction."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20172018"
identifier: "SB 20"
citation: "California SB 20 (20172018)"
classification: ["bill"]
subjects: ["Vehicles: buses: seatbelts."]
status: "enacted"
primary_sponsors: ["Hill"]
version_count: 10
action_count: 31
vote_count: 0
first_action: "2016-12-05"
last_action: "2017-10-08"
source: "openstates"
source_identifier: "ocd-bill/f4f57808-3e1a-438e-869f-a31ceec2d0c9"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201720180SB20"
source_hash: "93559b0ae76795899bd83110693781b75ae445df98c45a1cd7c5891b70d0543a"
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 20 (20172018) — Vehicles: buses: seatbelts.

Existing law prohibits a person from operating a motor vehicle on a highway unless that person and all passengers 16 years of age or over are properly restrained by a safety belt. Existing law makes the violation of this provision an infraction.

## Version chain

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

1. **12/05/16 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180SB20&version=20170SB2099INT)
2. **02/15/17 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180SB20&version=20170SB2098AMD)
3. **03/20/17 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180SB20&version=20170SB2097AMD)
4. **04/06/17 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180SB20&version=20170SB2096AMD)
5. **06/28/17 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180SB20&version=20170SB2095AMD)
6. **08/22/17 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180SB20&version=20170SB2094AMD)
7. **09/05/17 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180SB20&version=20170SB2093AMD)
8. **10/08/17 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180SB20&version=20170SB2091CHP)
9. **SB20** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201720180SB20)
10. **09/15/17 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180SB20&version=20170SB2092ENR)

## Sponsors

- Hill — primary (person)
- Eduardo Garcia — coauthor (person)
- Nazarian — coauthor (person)
- Stone — coauthor (person)

## Timeline

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

- **2016-12-05** Introduced. Read first time. To Com. on RLS. for assignment. To print. `introduction, reading-1`
- **2016-12-06** From printer. May be acted upon on or after January 5.
- **2017-01-12** Referred to Com. on T. & H. `referral-committee`
- **2017-02-15** From committee with author's amendments. Read second time and amended. Re-referred to Com. on T. & H. `reading-2, referral-committee, amendment-passage, committee-passage, reading-1`
- **2017-03-14** Set for hearing March 28.
- **2017-03-20** From committee with author's amendments. Read second time and amended. Re-referred to Com. on T. & H. `reading-2, referral-committee, amendment-passage, committee-passage, reading-1`
- **2017-03-28** From committee: Do pass and re-refer to Com. on APPR. (Ayes 12. Noes 0.) (March 28). Re-referred to Com. on APPR. `committee-passage-favorable, committee-passage, referral-committee`
- **2017-04-05** Set for hearing April 17.
- **2017-04-06** From committee with author's amendments. Read second time and amended. Re-referred to Com. on APPR. `reading-2, referral-committee, amendment-passage, committee-passage, reading-1`
- **2017-04-17** From committee: Do pass. (Ayes 7. Noes 0. Page 708.) (April 17). `committee-passage-favorable, committee-passage`
- **2017-04-18** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2017-04-20** Read third time. Passed. (Ayes 40. Noes 0. Page 767.) Ordered to the Assembly. `reading-3, passage, reading-1`
- **2017-04-20** In Assembly. Read first time. Held at Desk. `reading-1`
- **2017-05-18** Referred to Com. on TRANS. `referral-committee`
- **2017-06-27** From committee: Do pass as amended and re-refer to Com. on APPR. (Ayes 14. Noes 0.) (June 26). `committee-passage-favorable, committee-passage, amendment-passage`
- **2017-06-28** Read second time and amended. Re-referred to Com. on APPR. `amendment-passage, reading-2, referral-committee, reading-1`
- **2017-07-19** July 19 hearing postponed by committee.
- **2017-08-22** From committee with author's amendments. Read second time and amended. Re-referred to Com. on APPR. `reading-2, referral-committee, amendment-passage, committee-passage, reading-1`
- **2017-08-23** August 23 hearing postponed by committee.
- **2017-08-30** From committee: Do pass. Ordered to consent calendar. (Ayes 15. Noes 0.) (August 30). `committee-passage-favorable, committee-passage`
- **2017-08-31** Read second time. Ordered to consent calendar. `reading-2, reading-1`
- **2017-09-01** From consent calendar on motion of Assembly Member Calderon.
- **2017-09-01** Ordered to third reading.
- **2017-09-05** Read third time and amended. `amendment-passage, reading-3, reading-1`
- **2017-09-05** Ordered to third reading.
- **2017-09-12** Read third time. Passed. (Ayes 78. Noes 0. Page 3200.) Ordered to the Senate. `reading-3, passage, reading-1`
- **2017-09-13** In Senate. Concurrence in Assembly amendments pending.
- **2017-09-13** Assembly amendments concurred in. (Ayes 39. Noes 0. Page 2838.) Ordered to engrossing and enrolling. `committee-passage-favorable, amendment-passage`
- **2017-09-19** Enrolled and presented to the Governor at 4 p.m.
- **2017-10-08** Approved by the Governor. `executive-signature`
- **2017-10-08** Chaptered by Secretary of State. Chapter 593, Statutes of 2017.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/f4f57808-3e1a-438e-869f-a31ceec2d0c9`. Confidence: reported (aggregated from official California legislature records).