---
type: "Bill"
title: "Osteoporosis."
description: "Osteoporosis."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "19992000"
identifier: "AB 161"
citation: "California AB 161 (19992000)"
classification: ["bill", "appropriation"]
subjects: ["Osteoporosis."]
status: "enacted"
primary_sponsors: ["Alquist"]
version_count: 9
action_count: 24
vote_count: 8
first_action: "1999-01-15"
last_action: "1999-10-10"
source: "openstates"
source_identifier: "ocd-bill/b6ae986e-4458-492d-a5d2-9ca68c4575db"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=199920000AB161"
source_hash: "69aba4ddfe09dba290534e5fb60b36dbf1de0d767e723bd7cf439d61e9fd2f24"
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 161 (19992000) — Osteoporosis.

## Version chain

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

1. **01/15/99 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB161&version=19990AB16199INT)
2. **03/18/99 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB161&version=19990AB16198AMD)
3. **05/28/99 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB161&version=19990AB16197AMD)
4. **06/15/99 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB161&version=19990AB16196AMD)
5. **08/16/99 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB161&version=19990AB16195AMD)
6. **09/02/99 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB161&version=19990AB16194AMD)
7. **10/10/99 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB161&version=19990AB16192CHP)
8. **AB161** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=199920000AB161)
9. **09/07/99 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB161&version=19990AB16193ENR)

## Votes

- Do pass, but re-refer to the Committee on Appropriations. — **pass** (pass) · upper
- AB 161 ALQUIST CONCURRENCE — **pass** (pass) · lower
- Do pass as amended. — **pass** (pass) · lower
- Do pass as amended. — **pass** (pass) · upper
- AB 161 ALQUIST THIRD READING — **pass** (pass) · lower
- Assembly 3rd Reading AB161 Alquist By Solis — **pass** (pass) · upper
- Placed on Appropriations suspense file. — **pass** (pass) · upper
- Do pass and be re-referred to the Committee on Appropriations. — **pass** (pass) · lower

## Sponsors

- Alquist — primary (person)
- Alpert — coauthor (person)
- Havice — coauthor (person)
- Honda — coauthor (person)
- Jackson — coauthor (person)
- Knox — coauthor (person)
- Kuehl — coauthor (person)
- Leach — coauthor (person)
- Mazzoni — coauthor (person)
- Romero — coauthor (person)
- Scott — coauthor (person)
- Solis — principal coauthor (person)
- Strom-Martin — coauthor (person)
- Thomson — coauthor (person)
- Wildman — coauthor (person)

## Timeline

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

- **1999-10-10** Chaptered by Secretary of State - Chapter 819, Statutes of 1999.
- **1999-10-08** Approved by the Governor. `executive-signature`
- **1999-09-14** Enrolled and to the Governor at 11:30 a.m.
- **1999-09-07** Senate amendments concurred in. To enrollment. (Ayes 65. Noes 11. Page 4007.) `committee-passage-favorable, amendment-passage`
- **1999-09-03** In Assembly. Concurrence in Senate amendments pending. May be considered on or after September 5 pursuant to Assembly Rule 77.
- **1999-09-03** Read third time, passed, and to Assembly. (Ayes 28. Noes 4. Page 2905.) `passage, reading-3, reading-1`
- **1999-09-02** From committee: Amend, and do pass as amended. (Ayes 8. Noes 4.). Read second time and amended. Ordered to third reading. `amendment-introduction, amendment-passage, committee-passage, reading-2, reading-1`
- **1999-08-23** Joint Rule 61 (a) suspended.
- **1999-08-16** In committee: Placed on Appropriations suspense file.
- **1999-08-16** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Standing Committee on Appropriations. `amendment-introduction, amendment-passage, reading-2, reading-1, referral-committee`
- **1999-07-12** In committee: Set, first hearing. Hearing canceled at the request of author.
- **1999-06-24** From committee: Do pass, and re-refer to Standing Committee on Appropriations Re-referred. (Ayes 5. Noes 3.). `committee-passage, committee-passage-favorable, referral-committee`
- **1999-06-15** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on H. & H.S. `amendment-introduction, amendment-passage, reading-2, reading-1, referral-committee`
- **1999-06-07** Referred to Com. on H. & H.S. `referral-committee`
- **1999-06-03** In Senate. Read first time. To Standing Committee on Rules for assignment. `reading-1`
- **1999-06-02** Read third time, passed, and to Senate. (Ayes 67. Noes 12. Page 2282.) `passage, reading-3, reading-1`
- **1999-06-01** Read second time. To third reading. `reading-2, reading-1`
- **1999-05-28** From committee: Amend, and do pass as amended. (Ayes 14. Noes 7.) (May 26). Read second time and amended. Ordered returned to second reading. `amendment-introduction, amendment-passage, committee-passage, reading-2, reading-1`
- **1999-03-24** From committee: Do pass, and re-refer to Standing Committee on Appropriations Re-referred. (Ayes 10. Noes 3.) (March 23). `committee-passage, committee-passage-favorable, referral-committee`
- **1999-03-22** Re-referred to Standing Committee on Health. `referral-committee`
- **1999-03-18** From committee chair, with author's amendments: Amend, and re-refer to Standing Committee on Health. Read second time and amended. `amendment-introduction, amendment-passage, reading-2, reading-1, referral-committee`
- **1999-02-01** Referred to Standing Committee on Health. `referral-committee`
- **1999-01-19** From printer. May be heard in committee February 18.
- **1999-01-15** Read first time. To print. `reading-1`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/b6ae986e-4458-492d-a5d2-9ca68c4575db`. Confidence: reported (aggregated from official California legislature records).