republic-os/legislation/us/states/ca/20192020/ab-1644.md

---
type: "Bill"
title: "Coastal resources: California Coastal Commission: scientific advice and recommendations: agriculture."
description: "Existing law, the California Coastal Act of 1976, establishes the California Coastal Commission and prescribes the powers and responsibilities of the commission with regard to the regulation of development along the California coast. The act requires any person wishing to perform or undertake any development in the coastal zone, as defined, to obtain a coastal development permit, except as provided. Under existing law, the Legislature finds and declares that sound and timely scientific recommendations are necessary for many coastal planning, conservation, and development decisions and that the commission should interact with members of the scientific and academic communities in the social, physical, and natural sciences so that the commission may receive technical advice and recommendations with regard to its decisionmaking, especially with regard to issues that include, among other specified issues, coastal erosion and geology, marine biodiversity, and wetland restoration."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20192020"
identifier: "AB 1644"
citation: "California AB 1644 (20192020)"
classification: ["bill"]
subjects: ["Coastal resources: California Coastal Commission: scientific advice and recommendations: agriculture."]
status: "enacted"
primary_sponsors: ["Levine"]
version_count: 5
action_count: 21
vote_count: 5
first_action: "2019-02-22"
last_action: "2019-07-31"
source: "openstates"
source_identifier: "ocd-bill/266b43cf-c684-490d-8d08-85d92b690fb4"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201920200AB1644"
source_hash: "5732916b8e9aa595f47c1dd873edd042cdb055aef771fff4cc0dad9432ac7279"
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 1644 (20192020) — Coastal resources: California Coastal Commission: scientific advice and recommendations: agriculture.

Existing law, the California Coastal Act of 1976, establishes the California Coastal Commission and prescribes the powers and responsibilities of the commission with regard to the regulation of development along the California coast. The act requires any person wishing to perform or undertake any development in the coastal zone, as defined, to obtain a coastal development permit, except as provided. Under existing law, the Legislature finds and declares that sound and timely scientific recommendations are necessary for many coastal planning, conservation, and development decisions and that the commission should interact with members of the scientific and academic communities in the social, physical, and natural sciences so that the commission may receive technical advice and recommendations with regard to its decisionmaking, especially with regard to issues that include, among other specified issues, coastal erosion and geology, marine biodiversity, and wetland restoration.

## Version chain

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

1. **02/22/19 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200AB1644&version=20190AB164499INT)
2. **04/29/19 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200AB1644&version=20190AB164498AMD)
3. **07/31/19 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200AB1644&version=20190AB164496CHP)
4. **AB1644** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201920200AB1644)
5. **07/12/19 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200AB1644&version=20190AB164497ENR)

## Votes

- Consent Calendar AB1644 — **39–0** (pass) · upper
- Do pass. To Consent Calendar. — **16–0** (pass) · lower
- Do pass, but first be re-referred to the Committee on [Appropriations] with the recommendation: To Consent Calendar — **9–0** (pass) · upper
- AB 1644 Levine Consent Calendar Second Day — **77–0** (pass) · lower
- Do pass as amended and be re-referred to the Committee on [Appropriations] — **11–0** (pass) · lower

## Sponsors

- Levine — primary (person)

## Timeline

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

- **2019-02-22** Introduced. To print. `introduction`
- **2019-02-23** From printer. May be heard in committee March 25.
- **2019-02-25** Read first time. `reading-1`
- **2019-03-18** Referred to Com. on NAT. RES. `referral-committee`
- **2019-04-25** From committee: Amend, and do pass as amended and re-refer to Com. on APPR. (Ayes 11. Noes 0.) (April 22). `amendment-passage, committee-passage, amendment-introduction`
- **2019-04-29** Read second time and amended. `amendment-passage, reading-1, reading-2`
- **2019-04-30** Re-referred to Com. on APPR. `referral-committee`
- **2019-05-13** Joint Rule 62(a), file notice suspended. (Page 1609.)
- **2019-05-15** From committee: Do pass. To Consent Calendar. (Ayes 16. Noes 0.) (May 15). `committee-passage-favorable, committee-passage`
- **2019-05-16** Read second time. Ordered to Consent Calendar. `reading-1, reading-2`
- **2019-05-22** Read third time. Passed. Ordered to the Senate. (Ayes 77. Noes 0. Page 1830.) `passage, reading-3, reading-1`
- **2019-05-23** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2019-05-29** Referred to Com. on N.R. & W. `referral-committee`
- **2019-06-25** From committee: Do pass and re-refer to Com. on APPR. with recommendation: To Consent Calendar. (Ayes 9. Noes 0.) (June 25). Re-referred to Com. on APPR. `committee-passage-favorable, committee-passage, referral-committee`
- **2019-07-08** From committee: Be ordered to second reading file pursuant to Senate Rule 28.8 and ordered to Consent Calendar. `committee-passage, reading-2`
- **2019-07-09** Read second time. Ordered to Consent Calendar. `reading-1, reading-2`
- **2019-07-11** Read third time. Passed. Ordered to the Assembly. (Ayes 39. Noes 0. Page 2054.). `passage, reading-3, reading-1`
- **2019-07-11** In Assembly. Ordered to Engrossing and Enrolling. `committee-passage`
- **2019-07-23** Enrolled and presented to the Governor at 11:30 a.m.
- **2019-07-31** Approved by the Governor. `executive-signature`
- **2019-07-31** Chaptered by Secretary of State - Chapter 168, Statutes of 2019.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/266b43cf-c684-490d-8d08-85d92b690fb4`. Confidence: reported (aggregated from official California legislature records).