---
type: "Bill"
title: "Driving under the influence: ignition interlock device."
description: "Existing law requires the Department of Motor Vehicles to immediately suspend a person's privilege to operate a motor vehicle for a specified period of time if the person has been convicted of driving a motor vehicle when the person had a certain blood-alcohol concentration. Existing law authorizes certain individuals, whose privilege is suspended pursuant to that provision to receive a restricted driver's license if specified requirements are met, including the elapse of specified periods of license suspension or revocation."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20152016"
identifier: "SB 1046"
citation: "California SB 1046 (20152016)"
classification: ["bill"]
subjects: ["Driving under the influence: ignition interlock device."]
status: "enacted"
primary_sponsors: ["Hill"]
version_count: 10
action_count: 37
vote_count: 10
first_action: "2016-02-12"
last_action: "2016-09-28"
source: "openstates"
source_identifier: "ocd-bill/992ecb4a-4b36-4459-8f06-7625eaf14fa2"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201520160SB1046"
source_hash: "0b9d3712b62304eea58ca12755afb38090883f693680ccce6690ea596649d009"
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 1046 (20152016) — Driving under the influence: ignition interlock device.

Existing law requires the Department of Motor Vehicles to immediately suspend a person's privilege to operate a motor vehicle for a specified period of time if the person has been convicted of driving a motor vehicle when the person had a certain blood-alcohol concentration. Existing law authorizes certain individuals, whose privilege is suspended pursuant to that provision to receive a restricted driver's license if specified requirements are met, including the elapse of specified periods of license suspension or revocation.

## Version chain

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

1. **02/12/16 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201520160SB1046&version=20150SB104699INT)
2. **03/17/16 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201520160SB1046&version=20150SB104698AMD)
3. **04/13/16 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201520160SB1046&version=20150SB104697AMD)
4. **06/08/16 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201520160SB1046&version=20150SB104696AMD)
5. **08/01/16 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201520160SB1046&version=20150SB104695AMD)
6. **08/15/16 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201520160SB1046&version=20150SB104694AMD)
7. **08/19/16 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201520160SB1046&version=20150SB104693AMD)
8. **09/28/16 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201520160SB1046&version=20150SB104691CHP)
9. **SB1046** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201520160SB1046)
10. **08/29/16 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201520160SB1046&version=20150SB104692ENR)

## Votes

- SB 1046 Hill Senate Third Reading By HEALTH Amendment Set #1 — **73–0** (pass) · lower
- Unfinished Business SB1046 Hill Concurrence — **39–0** (pass) · upper
- Placed on suspense file — **7–0** (pass) · upper
- Do pass and be re-referred to the Committee on [Appropriations] — **16–0** (pass) · lower
- Do pass and be re-referred to the Committee on [Business and Professions] — **10–0** (pass) · lower
- 3rd Reading — **39–0** (pass) · upper
- Do pass — **7–0** (pass) · upper
- Do pass, but first be re-referred to the Committee on [Appropriations] — **7–0** (pass) · upper
- Do pass as amended. — **20–0** (pass) · lower
- SB 1046 Hill Senate Third Reading By COOLEY — **79–0** (pass) · lower

## Sponsors

- Hill — primary (person)
- Anderson — coauthor (person)
- Baker — coauthor (person)
- Bates — coauthor (person)
- Block — coauthor (person)
- Bonilla — coauthor (person)
- Cannella — coauthor (person)
- Chau — coauthor (person)
- Chávez — coauthor (person)
- Cooley — coauthor (person)
- Eduardo Garcia — coauthor (person)
- Gonzalez — coauthor (person)
- Lackey — coauthor (person)
- Levine — coauthor (person)
- Lopez — coauthor (person)
- Maienschein — coauthor (person)
- Rodriguez — coauthor (person)
- Roth — coauthor (person)
- Santiago — coauthor (person)
- Vidak — coauthor (person)
- Waldron — coauthor (person)

## Timeline

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

- **2016-02-12** Introduced. Read first time. To Com. on RLS. for assignment. To print. `introduction, reading-1`
- **2016-02-16** From printer. May be acted upon on or after March 17.
- **2016-02-25** Referred to Com. on PUB. S. `referral-committee`
- **2016-03-15** Set for hearing March 29.
- **2016-03-17** From committee with author's amendments. Read second time and amended. Re-referred to Com. on PUB. S. `referral-committee, reading-2, amendment-passage, committee-passage, reading-1`
- **2016-03-29** From committee: Do pass and re-refer to Com. on APPR. (Ayes 7. Noes 0. Page 3313.) (March 29). Re-referred to Com. on APPR. `referral-committee, committee-passage-favorable, committee-passage`
- **2016-04-13** From committee with author's amendments. Read second time and amended. Re-referred to Com. on APPR. `referral-committee, reading-2, amendment-passage, committee-passage, reading-1`
- **2016-04-15** Set for hearing April 25.
- **2016-04-25** April 25 hearing: Placed on APPR. suspense file.
- **2016-05-20** Set for hearing May 27.
- **2016-05-27** From committee: Do pass. (Ayes 7. Noes 0. Page 4002.) (May 27). `committee-passage-favorable, committee-passage`
- **2016-05-27** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2016-05-31** Read third time. Passed. (Ayes 39. Noes 0. Page 4041.) Ordered to the Assembly. `reading-3, passage, reading-1`
- **2016-06-01** In Assembly. Read first time. Held at Desk. `reading-1`
- **2016-06-06** Referred to Coms. on PUB. S. and B. & P. `referral-committee`
- **2016-06-08** From committee with author's amendments. Read second time and amended. Re-referred to Com. on PUB. S. `referral-committee, reading-2, amendment-passage, committee-passage, reading-1`
- **2016-06-16** Re-referred to Coms. on B. & P. and TRANS. pursuant to Assembly Rule 96. `referral-committee`
- **2016-06-21** June 21 hearing postponed by committee.
- **2016-06-23** Re-referred to Coms. on TRANS. and B. & P. pursuant to Assembly Rule 96. `referral-committee`
- **2016-06-23** Joint Rule 62(a) suspended. (Page 5473.)
- **2016-06-23** Assembly Rule 56 suspended. (Page 5473.)
- **2016-06-27** From committee: Do pass and re-refer to Com. on B. & P. (Ayes 10. Noes 0.) (June 27). Re-referred to Com. on B. & P. `referral-committee, committee-passage-favorable, committee-passage`
- **2016-06-28** From committee: Do pass and re-refer to Com. on APPR. (Ayes 16. Noes 0.) (June 28). Re-referred to Com. on APPR. `referral-committee, committee-passage-favorable, committee-passage`
- **2016-08-01** From committee with author's amendments. Read second time and amended. Re-referred to Com. on APPR. `referral-committee, reading-2, amendment-passage, committee-passage, reading-1`
- **2016-08-03** August 3 set for first hearing. Placed on APPR. suspense file.
- **2016-08-12** From committee: Do pass as amended. (Ayes 20. Noes 0.) (August 11). `committee-passage-favorable, committee-passage, amendment-passage`
- **2016-08-15** Read second time and amended. Ordered to second reading. `amendment-passage, reading-2, reading-1`
- **2016-08-16** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2016-08-19** Assembly Rule 69 suspended. (Ayes 48. Noes 23. Page 5945.)
- **2016-08-19** Read third time and amended. (Ayes 73. Noes 0. Page 5968.) `reading-3, amendment-passage, reading-1`
- **2016-08-19** Ordered to third reading.
- **2016-08-23** Read third time. Passed. (Ayes 79. Noes 0. Page 6101.) Ordered to the Senate. `reading-3, passage, reading-1`
- **2016-08-23** In Senate. Concurrence in Assembly amendments pending.
- **2016-08-25** Assembly amendments concurred in. (Ayes 39. Noes 0. Page 5402.) Ordered to engrossing and enrolling. `committee-passage-favorable, amendment-passage`
- **2016-08-31** Enrolled and presented to the Governor at 3 p.m.
- **2016-09-28** Approved by the Governor. `executive-signature`
- **2016-09-28** Chaptered by Secretary of State. Chapter 783, Statutes of 2016.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/992ecb4a-4b36-4459-8f06-7625eaf14fa2`. Confidence: reported (aggregated from official California legislature records).