---
type: "Bill"
title: "Personal income taxes: deductions: business expenses: commercial cannabis activity."
description: "Existing law, the Medicinal and Adult-Use Cannabis Regulation and Safety Act (MAUCRSA) , among other things, consolidates the licensure and regulation of commercial medicinal and adult-use cannabis activities and authorizes persons to conduct specified commercial cannabis activities, as defined, in the state."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20192020"
identifier: "AB 37"
citation: "California AB 37 (20192020)"
classification: ["bill"]
subjects: ["Personal income taxes: deductions: business expenses: commercial cannabis activity."]
status: "enacted"
primary_sponsors: ["Jones-Sawyer"]
version_count: 7
action_count: 25
vote_count: 8
first_action: "2018-12-03"
last_action: "2019-10-12"
source: "openstates"
source_identifier: "ocd-bill/1ccdaf85-4183-4335-9102-66f9a5b9cca1"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201920200AB37"
source_hash: "150348dee83908f2ee472984c70b75a9857557b45c5f2dd28802fcb6260cd33e"
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 37 (20192020) — Personal income taxes: deductions: business expenses: commercial cannabis activity.

Existing law, the Medicinal and Adult-Use Cannabis Regulation and Safety Act (MAUCRSA) , among other things, consolidates the licensure and regulation of commercial medicinal and adult-use cannabis activities and authorizes persons to conduct specified commercial cannabis activities, as defined, in the state.

## Version chain

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

1. **12/03/18 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200AB37&version=20190AB3799INT)
2. **03/19/19 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200AB37&version=20190AB3798AMD)
3. **06/13/19 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200AB37&version=20190AB3797AMD)
4. **08/30/19 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200AB37&version=20190AB3796AMD)
5. **10/12/19 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200AB37&version=20190AB3794CHP)
6. **AB37** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201920200AB37)
7. **09/10/19 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200AB37&version=20190AB3795ENR)

## Votes

- Do pass as amended — **6–1** (pass) · upper
- Placed on suspense file — **7–0** (pass) · upper
- AB 37 Jones-Sawyer Concurrence in Senate Amendments — **71–3** (pass) · lower
- AB 37 Jones-Sawyer Assembly Third Reading — **69–1** (pass) · lower
- Do pass and be re-referred to the Committee on [Appropriations] — **10–1** (pass) · lower
- Do pass. — **17–1** (pass) · lower
- Do pass as amended, but first amend, and re-refer to the Committee on [Appropriations] — **4–1** (pass) · upper
- 3rd Reading AB37 Jones-Sawyer et al. By McGuire — **33–5** (pass) · upper

## Sponsors

- Jones-Sawyer — primary (person)
- Bonta — coauthor (person)
- Cooley — coauthor (person)
- Lackey — coauthor (person)
- Quirk — coauthor (person)
- Wood — coauthor (person)

## Timeline

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

- **2018-12-03** Read first time. To print. `reading-1`
- **2018-12-04** From printer. May be heard in committee January 3.
- **2019-01-17** Referred to Com. on REV. & TAX. `referral-committee`
- **2019-03-11** In committee: Hearing for testimony only.
- **2019-03-19** From committee chair, with author's amendments: Amend, and re-refer to Com. on REV. & TAX. Read second time and amended. `reading-1, reading-2, amendment-passage, amendment-introduction`
- **2019-03-20** Re-referred to Com. on REV. & TAX. `referral-committee`
- **2019-04-09** From committee: Do pass and re-refer to Com. on APPR. (Ayes 10. Noes 1.) (April 8). Re-referred to Com. on APPR. `committee-passage-favorable, committee-passage, referral-committee`
- **2019-04-24** In committee: Set, first hearing. Referred to APPR. suspense file. `referral-committee`
- **2019-05-16** From committee: Do pass. (Ayes 17. Noes 1.) (May 16). `committee-passage-favorable, committee-passage`
- **2019-05-20** Read second time. Ordered to third reading. `reading-1, reading-2`
- **2019-05-23** Read third time. Passed. Ordered to the Senate. (Ayes 69. Noes 1. Page 1854.) `passage, reading-3, reading-1`
- **2019-05-24** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2019-06-06** Referred to Com. on GOV. & F. `referral-committee`
- **2019-06-12** From committee: Amend, and do pass as amended and re-refer to Com. on APPR. (Ayes 4. Noes 1.) (June 12). `amendment-passage, committee-passage, amendment-introduction`
- **2019-06-13** Read second time and amended. Re-referred to Com. on APPR. `reading-1, reading-2, amendment-passage, referral-committee`
- **2019-06-24** In committee: Referred to APPR. suspense file. `referral-committee`
- **2019-08-30** From committee: Amend, and do pass as amended. (Ayes 6. Noes 1.) (August 30). `amendment-passage, committee-passage, amendment-introduction`
- **2019-08-30** Read second time and amended. Ordered returned to second reading. `amendment-passage, reading-1, reading-2`
- **2019-09-03** Read second time. Ordered to third reading. `reading-1, reading-2`
- **2019-09-04** Read third time. Passed. Ordered to the Assembly. (Ayes 33. Noes 5. Page 2517.). `passage, reading-3, reading-1`
- **2019-09-05** In Assembly. Concurrence in Senate amendments pending. May be considered on or after September 7 pursuant to Assembly Rule 77.
- **2019-09-09** Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 71. Noes 3. Page 3117.). `amendment-passage, committee-passage-favorable`
- **2019-09-12** Enrolled and presented to the Governor at 3:30 p.m.
- **2019-10-12** Approved by the Governor. `executive-signature`
- **2019-10-12** Chaptered by Secretary of State - Chapter 792, Statutes of 2019.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/1ccdaf85-4183-4335-9102-66f9a5b9cca1`. Confidence: reported (aggregated from official California legislature records).