---
type: "Bill"
title: "HIV: preexposure and postexposure prophylaxis."
description: "Existing law, the Pharmacy Law, provides for the licensure and regulation of pharmacists by the California State Board of Pharmacy and makes a violation of these requirements a crime. Existing law generally authorizes a pharmacist to dispense or furnish drugs only pursuant to a valid prescription, except as provided, such as furnishing emergency contraceptives, hormonal contraceptives, and naloxone hydrochloride, pursuant to standardized procedures."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20192020"
identifier: "SB 159"
citation: "California SB 159 (20192020)"
classification: ["bill"]
subjects: ["HIV: preexposure and postexposure prophylaxis."]
status: "enacted"
primary_sponsors: ["Wiener"]
version_count: 13
action_count: 37
vote_count: 10
first_action: "2019-01-23"
last_action: "2019-10-07"
source: "openstates"
source_identifier: "ocd-bill/6400508e-5407-4cf0-89f8-8d5990908a35"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201920200SB159"
source_hash: "9b9c4be37777a06d75317bdb2a2b8ad130c74b7a6e67440988d42c93b3558ddc"
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 159 (20192020) — HIV: preexposure and postexposure prophylaxis.

Existing law, the Pharmacy Law, provides for the licensure and regulation of pharmacists by the California State Board of Pharmacy and makes a violation of these requirements a crime. Existing law generally authorizes a pharmacist to dispense or furnish drugs only pursuant to a valid prescription, except as provided, such as furnishing emergency contraceptives, hormonal contraceptives, and naloxone hydrochloride, pursuant to standardized procedures.

## Version chain

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

1. **01/23/19 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200SB159&version=20190SB15999INT)
2. **02/27/19 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200SB159&version=20190SB15998AMD)
3. **04/01/19 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200SB159&version=20190SB15997AMD)
4. **04/11/19 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200SB159&version=20190SB15996AMD)
5. **04/30/19 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200SB159&version=20190SB15995AMD)
6. **05/17/19 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200SB159&version=20190SB15994AMD)
7. **07/01/19 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200SB159&version=20190SB15993AMD)
8. **08/12/19 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200SB159&version=20190SB15992AMD)
9. **09/03/19 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200SB159&version=20190SB15991AMD)
10. **09/05/19 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200SB159&version=20190SB15990AMD)
11. **10/07/19 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200SB159&version=20190SB15988CHP)
12. **SB159** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201920200SB159)
13. **09/13/19 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200SB159&version=20190SB15989ENR)

## Votes

- Do pass as amended, but first amend, and re-refer to the Committee on [Health] — **6–0** (pass) · upper
- Do pass as amended and be re-referred to the Committee on [Health] — **17–0** (pass) · lower
- Do pass as amended — **4–1** (pass) · upper
- SB 159 Wiener Senate Third Reading By Gipson — **78–0** (pass) · lower
- 3rd Reading SB159 Wiener et al. — **35–1** (pass) · upper
- Unfinished Business SB159 Wiener et al. Concurrence — **38–0** (pass) · upper
- Do pass as amended. — **17–0** (pass) · lower
- Do pass as amended and be re-referred to the Committee on [Appropriations] — **13–0** (pass) · lower
- Placed on suspense file — **6–0** (pass) · upper
- Do pass as amended, but first amend, and re-refer to the Committee on [Appropriations] — **7–0** (pass) · upper

## Sponsors

- Wiener — primary (person)
- Chiu — coauthor (person)
- Gipson — principal coauthor (person)
- Glazer — coauthor (person)
- Gloria — principal coauthor (person)
- Gonzalez — coauthor (person)
- Stone — coauthor (person)

## Timeline

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

- **2019-01-23** Introduced. Read first time. To Com. on RLS. for assignment. To print. `introduction, reading-1`
- **2019-01-24** From printer. May be acted upon on or after February 23.
- **2019-01-31** Referred to Com. on RLS. `referral-committee`
- **2019-02-27** From committee with author's amendments. Read second time and amended. Re-referred to Com. on RLS. `reading-1, reading-2, amendment-passage, committee-passage, referral-committee`
- **2019-03-07** Re-referred to Coms. on B., P. & E.D. and HEALTH. `referral-committee`
- **2019-03-19** Set for hearing April 8.
- **2019-04-01** From committee with author's amendments. Read second time and amended. Re-referred to Com. on B., P. & E.D. `reading-1, reading-2, amendment-passage, committee-passage, referral-committee`
- **2019-04-11** From committee: Do pass as amended and re-refer to Com. on HEALTH. (Ayes 6. Noes 0. Page 598.) (April 8). `committee-passage-favorable, committee-passage, amendment-passage`
- **2019-04-11** Read second time and amended. Re-referred to Com. on HEALTH. `reading-1, reading-2, amendment-passage, referral-committee`
- **2019-04-12** Set for hearing April 24.
- **2019-04-29** From committee: Do pass as amended and re-refer to Com. on APPR. (Ayes 7. Noes 0. Page 848.) (April 24). `committee-passage-favorable, committee-passage, amendment-passage`
- **2019-04-30** Read second time and amended. Re-referred to Com. on APPR. `reading-1, reading-2, amendment-passage, referral-committee`
- **2019-05-03** Set for hearing May 13.
- **2019-05-13** May 13 hearing: Placed on APPR. suspense file.
- **2019-05-14** Set for hearing May 16.
- **2019-05-17** From committee: Do pass as amended. (Ayes 4. Noes 1. Page 1091.) (May 16). `committee-passage-favorable, committee-passage, amendment-passage`
- **2019-05-17** Read second time and amended. Ordered to second reading. `amendment-passage, reading-1, reading-2`
- **2019-05-20** Read second time. Ordered to third reading. `reading-1, reading-2`
- **2019-05-21** Read third time. Passed. (Ayes 35. Noes 1. Page 1196.) Ordered to the Assembly. `passage, reading-3, reading-1`
- **2019-05-22** In Assembly. Read first time. Held at Desk. `reading-1`
- **2019-06-03** Referred to Coms. on B. & P. and HEALTH. `referral-committee`
- **2019-06-27** From committee: Do pass as amended and re-refer to Com. on HEALTH. (Ayes 17. Noes 0.) (June 25). `committee-passage-favorable, committee-passage, amendment-passage`
- **2019-07-01** Read second time and amended. Re-referred to Com. on HEALTH. `reading-1, reading-2, amendment-passage, referral-committee`
- **2019-07-11** From committee: Do pass as amended and re-refer to Com. on APPR. (Ayes 13. Noes 0.) (July 9). `committee-passage-favorable, committee-passage, amendment-passage`
- **2019-08-12** Read second time and amended. Re-referred to Com. on APPR. `reading-1, reading-2, amendment-passage, referral-committee`
- **2019-08-21** August 21 set for first hearing. Placed on APPR. suspense file.
- **2019-08-30** From committee: Do pass as amended. (Ayes 17. Noes 0.) (August 30). `committee-passage-favorable, committee-passage, amendment-passage`
- **2019-09-03** Read second time and amended. Ordered to second reading. `amendment-passage, reading-1, reading-2`
- **2019-09-04** Read second time. Ordered to third reading. `reading-1, reading-2`
- **2019-09-05** Read third time and amended. `amendment-passage, reading-3, reading-1`
- **2019-09-05** Ordered to third reading.
- **2019-09-10** Read third time. Passed. (Ayes 78. Noes 0. Page 3330.) Ordered to the Senate. `passage, reading-3, reading-1`
- **2019-09-10** In Senate. Concurrence in Assembly amendments pending.
- **2019-09-11** Assembly amendments concurred in. (Ayes 38. Noes 0. Page 2847.) Ordered to engrossing and enrolling. `amendment-passage, committee-passage-favorable`
- **2019-09-18** Enrolled and presented to the Governor at 4 p.m.
- **2019-10-07** Approved by the Governor. `executive-signature`
- **2019-10-07** Chaptered by Secretary of State. Chapter 532, Statutes of 2019.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/6400508e-5407-4cf0-89f8-8d5990908a35`. Confidence: reported (aggregated from official California legislature records).