---
type: "Bill"
title: "Criminal procedure: wiretapping: authorization and disclosure."
description: "Existing law establishes a procedure for a prosecutor to apply for, and the court to issue, an order authorizing law enforcement to intercept a wire or electronic communication."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20192020"
identifier: "SB 439"
citation: "California SB 439 (20192020)"
classification: ["bill"]
subjects: ["Criminal procedure: wiretapping: authorization and disclosure."]
status: "enacted"
primary_sponsors: ["Umberg"]
version_count: 6
action_count: 27
vote_count: 6
first_action: "2019-02-21"
last_action: "2019-10-08"
source: "openstates"
source_identifier: "ocd-bill/f38b6718-8941-4588-9d54-992a7633ea19"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201920200SB439"
source_hash: "b332f4d5fffb3b9330a490fc530c934d22d22140d7d951e845d8b201155cb827"
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 439 (20192020) — Criminal procedure: wiretapping: authorization and disclosure.

Existing law establishes a procedure for a prosecutor to apply for, and the court to issue, an order authorizing law enforcement to intercept a wire or electronic communication.

## Version chain

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

1. **02/21/19 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200SB439&version=20190SB43999INT)
2. **07/11/19 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200SB439&version=20190SB43998AMD)
3. **08/30/19 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200SB439&version=20190SB43997AMD)
4. **10/08/19 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200SB439&version=20190SB43995CHP)
5. **SB439** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201920200SB439)
6. **09/11/19 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200SB439&version=20190SB43996ENR)

## Votes

- Do pass as amended. — **8–0** (pass) · lower
- Do pass. To Consent Calendar. — **17–0** (pass) · lower
- SB 439 Umberg Senate Third Reading By Smith — **78–1** (pass) · lower
- Do pass and be ordered to the Consent Calendar — **6–0** (pass) · upper
- Consent Calendar — **38–0** (pass) · upper
- Unfinished Business SB439 Umberg Concurrence — **39–0** (pass) · upper

## Sponsors

- Umberg — primary (person)

## Timeline

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

- **2019-02-21** Introduced. Read first time. To Com. on RLS. for assignment. To print. `introduction, reading-1`
- **2019-02-22** From printer. May be acted upon on or after March 24.
- **2019-03-07** Referred to Com. on PUB. S. `referral-committee`
- **2019-03-08** Set for hearing April 2.
- **2019-04-02** From committee: Do pass. Ordered to consent calendar. (Ayes 6. Noes 0. Page 526.) (April 2). `committee-passage-favorable, committee-passage`
- **2019-04-03** Read second time. Ordered to consent calendar. `reading-1, reading-2`
- **2019-04-08** Read third time. Passed. (Ayes 38. Noes 0. Page 593.) Ordered to the Assembly. `passage, reading-3, reading-1`
- **2019-04-08** In Assembly. Read first time. Held at Desk. `reading-1`
- **2019-05-02** Referred to Com. on PUB. S. `referral-committee`
- **2019-06-25** June 25 set for first hearing canceled at the request of author.
- **2019-07-10** From committee: Do pass as amended. (Ayes 8. Noes 0.) (July 9). `committee-passage-favorable, committee-passage, amendment-passage`
- **2019-07-11** Read second time and amended. Ordered to second reading. `amendment-passage, reading-1, reading-2`
- **2019-08-12** Read second time. Ordered to third reading. `reading-1, reading-2`
- **2019-08-13** Re-referred to Com. on APPR. pursuant to Joint Rule 10.5. `referral-committee`
- **2019-08-21** From committee: Do pass. Ordered to consent calendar. (Ayes 17. Noes 0.) (August 21). `committee-passage-favorable, committee-passage`
- **2019-08-22** Read second time. Ordered to consent calendar. `reading-1, reading-2`
- **2019-08-26** From consent calendar on motion of Assembly Member Calderon.
- **2019-08-26** Ordered to third reading.
- **2019-08-30** Read third time and amended. `amendment-passage, reading-3, reading-1`
- **2019-08-30** Ordered to third reading.
- **2019-09-05** Read third time. Passed. (Ayes 78. Noes 1. Page 3041.) Ordered to the Senate. `passage, reading-3, reading-1`
- **2019-09-05** In Senate. Concurrence in Assembly amendments pending.
- **2019-09-06** Ordered to special consent calendar.
- **2019-09-06** Assembly amendments concurred in. (Ayes 39. Noes 0. Page 2610.) Ordered to engrossing and enrolling. `amendment-passage, committee-passage-favorable`
- **2019-09-17** Enrolled and presented to the Governor at 2 p.m.
- **2019-10-08** Approved by the Governor. `executive-signature`
- **2019-10-08** Chaptered by Secretary of State. Chapter 645, Statutes of 2019.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/f38b6718-8941-4588-9d54-992a7633ea19`. Confidence: reported (aggregated from official California legislature records).