republic-os/legislation/us/states/ca/19992000/ab-1557.md

---
type: "Bill"
title: "Clinical laboratories: unlicensed personnel."
description: "Clinical laboratories: unlicensed personnel."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "19992000"
identifier: "AB 1557"
citation: "California AB 1557 (19992000)"
classification: ["bill"]
subjects: ["Clinical laboratories: unlicensed personnel."]
status: "enacted"
primary_sponsors: ["Migden"]
version_count: 9
action_count: 23
vote_count: 7
first_action: "1999-02-26"
last_action: "1999-10-10"
source: "openstates"
source_identifier: "ocd-bill/33610342-32b3-4319-99b3-87dd36ba0129"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=199920000AB1557"
source_hash: "ae0886d7e9450c12aa073844bec9f3388b78efe6b93bcf0b13cfc18c23b91f22"
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 1557 (19992000) — Clinical laboratories: unlicensed personnel.

## Version chain

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

1. **02/26/99 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB1557&version=19990AB155799INT)
2. **05/17/99 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB1557&version=19990AB155798AMD)
3. **05/28/99 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB1557&version=19990AB155797AMD)
4. **06/23/99 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB1557&version=19990AB155796AMD)
5. **07/14/99 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB1557&version=19990AB155795AMD)
6. **08/19/99 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB1557&version=19990AB155794AMD)
7. **10/10/99 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB1557&version=19990AB155792CHP)
8. **AB1557** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=199920000AB1557)
9. **08/26/99 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB1557&version=19990AB155793ENR)

## Votes

- Special Consent #24 AB1557 Migden By Figueroa — **pass** (pass) · upper
- AB 1557 MIGDEN THIRD READING — **pass** (pass) · lower
- Do pass, but re-refer to the Committee on Appropriations. — **pass** (pass) · upper
- Do pass as amended. — **pass** (pass) · lower
- SPEC. CONSENT CALENDAR SECOND DAY CONCURRENCE — **pass** (pass) · lower
- Do pass as amended. — **pass** (pass) · lower
- Do pass as amended. — **pass** (pass) · upper

## Sponsors

- Migden — primary (person)
- Aroner — coauthor (person)
- Bock — principal coauthor (person)
- Shelley — coauthor (person)

## Timeline

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

- **1999-10-10** Chaptered by Secretary of State - Chapter 695, Statutes of 1999.
- **1999-10-06** Approved by the Governor. `executive-signature`
- **1999-09-03** Enrolled and to the Governor at 1 p.m.
- **1999-08-26** Senate amendments concurred in. To enrollment. (Ayes 76. Noes 0. Page 3508.) `committee-passage-favorable, amendment-passage`
- **1999-08-24** In Assembly. Concurrence in Senate amendments pending. May be considered on or after August 26 pursuant to Assembly Rule 77. Ordered to Special Consent Calendar.
- **1999-08-24** Read third time, passed, and to Assembly. (Ayes 40. Noes 0. Page 2616.) `passage, reading-3, reading-1`
- **1999-08-23** Read second time. To third reading. `reading-2, reading-1`
- **1999-08-19** Read third time, amended. To second reading. `reading-3, amendment-passage, reading-1`
- **1999-07-14** Read second time, amended, and to third reading. `amendment-passage, reading-2, reading-1`
- **1999-07-13** From committee: Amend, and do pass as amended. (Ayes 12. Noes 0.). `committee-passage, amendment-introduction, amendment-passage`
- **1999-06-29** From committee: Do pass, and re-refer to Standing Committee on Appropriations Re-referred. (Ayes 7. Noes 0.). `committee-passage, committee-passage-favorable, referral-committee`
- **1999-06-23** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Standing Committee on Business, Professions and Consumer Protection. `amendment-introduction, amendment-passage, reading-2, reading-1, referral-committee`
- **1999-06-17** Referred to Standing Committee on Business, Professions and Consumer Protection. `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 77. Noes 0. Page 2252.) `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 21. Noes 0.) (May 26). Read second time and amended. Ordered returned to second reading. `amendment-introduction, amendment-passage, committee-passage, reading-2, reading-1`
- **1999-05-17** Read second time and amended. Ordered returned to second reading. Re-referred to Standing Committee on Appropriations pursuant to Joint Rule 10.5. `amendment-passage, reading-2, reading-1, referral-committee`
- **1999-05-13** From committee: Amend, and do pass as amended. (Ayes 14. Noes 0.) (May 11). `committee-passage, amendment-introduction, amendment-passage`
- **1999-05-10** Referred to Standing Committee on Health. Joint Rule 62(a), file notice waived. `referral-committee`
- **1999-03-01** Read first time. `reading-1`
- **1999-02-28** From printer. May be heard in committee March 30.
- **1999-02-26** Introduced. To print. `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/33610342-32b3-4319-99b3-87dd36ba0129`. Confidence: reported (aggregated from official California legislature records).