republic-os/legislation/us/states/ca/20232024/ab-1646.md

type, title, description, jurisdiction, legislature, session, identifier, citation, classification, subjects, status, primary_sponsors, version_count, action_count, vote_count, first_action, last_action, source, source_identifier, source_url, source_hash, vintage, source_snapshot, retrieved_at, confidence, tags

type	title	description	jurisdiction	legislature	session	identifier	citation	classification	subjects	status	primary_sponsors	version_count	action_count	vote_count	first_action	last_action	source	source_identifier	source_url	source_hash	vintage	source_snapshot	retrieved_at	confidence	tags
Bill	Physicians and surgeons: postgraduate training: guest rotations.	Existing law, the Medical Practice Act, establishes the Medical Board of California within the Department of Consumer Affairs and sets forth its powers and duties relating to the licensure and regulation of the practice of medicine by physicians and surgeons.	us/states/ca	California Legislature	20232024	AB 1646	California AB 1646 (20232024)	bill	Physicians and surgeons guest rotations postgraduate training	enacted	Stephanie Nguyen	8	26	6	2023-02-17	2023-09-27	openstates	ocd-bill/9d86631e-a1c1-49de-a928-58aea90ccf39	http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202320240AB1646	6057c274c63ed0fe07347d5e47d977b0a473d8acdb7439d04afe045d4d0e7939	2026-07-01	https://data.openstates.org/daily/2026-07-01/public.pgdump	2026-07-06	reported	legislation bill us-ca

California AB 1646 (20232024) — Physicians and surgeons: postgraduate training: guest rotations.

Existing law, the Medical Practice Act, establishes the Medical Board of California within the Department of Consumer Affairs and sets forth its powers and duties relating to the licensure and regulation of the practice of medicine by physicians and surgeons.

Version chain

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

1. 02/17/23 - Introduced (filed) — source
2. 03/23/23 - Amended Assembly (committee substitute) — source
3. 04/27/23 - Amended Assembly (committee substitute) — source
4. 08/30/23 - Amended Senate (committee substitute) — source
5. 09/08/23 - Amended Senate (committee substitute) — source
6. 09/27/23 - Chaptered (committee substitute) — source
7. AB1646 (committee substitute) — source
8. 09/18/23 - Enrolled (enrolled) — source

Votes

• Do pass. — 12–3 (pass) · lower
• Do pass, but first be re-referred to the Committee on [Appropriations] — 9–3 (pass) · upper
• AB 1646 Stephanie Nguyen Assembly Third Reading — 61–13 (pass) · lower
• 3rd Reading AB1646 Stephanie Nguyen et By Atkins — 31–7 (pass) · upper
• AB 1646 Stephanie Nguyen Concurrence in Senate Amendments — 64–15 (pass) · lower
• Do pass as amended and be re-referred to the Committee on [Appropriations] — 13–3 (pass) · lower

Sponsors

• Stephanie Nguyen — primary (person)
• Aguiar-Curry — principal coauthor (person)

Timeline

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

• 2023-02-17 Read first time. To print. reading-1
• 2023-02-18 From printer. May be heard in committee March 20.
• 2023-03-23 Referred to Com. on B. & P. referral-committee
• 2023-03-23 From committee chair, with author's amendments: Amend, and re-refer to Com. on B. & P. Read second time and amended. amendment-introduction, amendment-passage, reading-1, reading-2
• 2023-03-27 Re-referred to Com. on B. & P. referral-committee
• 2023-04-26 From committee: Amend, and do pass as amended and re-refer to Com. on APPR. (Ayes 13. Noes 3.) (April 25). amendment-introduction, amendment-passage, committee-passage, referral-committee
• 2023-04-27 Read second time and amended. amendment-passage, reading-1, reading-2
• 2023-05-01 Re-referred to Com. on APPR. referral-committee
• 2023-05-10 From committee: Do pass. (Ayes 12. Noes 3.) (May 10). committee-passage, committee-passage-favorable
• 2023-05-11 Read second time. Ordered to third reading. reading-1, reading-2
• 2023-05-18 Read third time. Passed. Ordered to the Senate. (Ayes 61. Noes 13. Page 1593.) passage, reading-1, reading-3
• 2023-05-18 In Senate. Read first time. To Com. on RLS. for assignment. reading-1
• 2023-05-31 Referred to Com. on B., P. & E. D. referral-committee
• 2023-06-19 From committee: Do pass and re-refer to Com. on APPR. (Ayes 9. Noes 3.) (June 19). Re-referred to Com. on APPR. committee-passage, committee-passage-favorable, referral-committee
• 2023-08-14 From committee: Be ordered to second reading pursuant to Senate Rule 28.8. committee-passage, reading-2
• 2023-08-15 Read second time. Ordered to third reading. reading-1, reading-2
• 2023-08-30 Read third time and amended. Ordered to second reading. amendment-passage, reading-1, reading-3
• 2023-08-31 Read second time. Ordered to third reading. reading-1, reading-2
• 2023-09-08 Read third time and amended. Ordered to second reading. amendment-passage, reading-1, reading-3
• 2023-09-11 Read second time. Ordered to third reading. reading-1, reading-2
• 2023-09-12 Read third time. Passed. Ordered to the Assembly. (Ayes 31. Noes 7. Page 2653.). passage, reading-1, reading-3
• 2023-09-12 In Assembly. Concurrence in Senate amendments pending.
• 2023-09-13 Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 64. Noes 15. Page 3414.). amendment-passage, committee-passage-favorable
• 2023-09-21 Enrolled and presented to the Governor at 3:30 p.m.
• 2023-09-27 Approved by the Governor. executive-signature
• 2023-09-27 Chaptered by Secretary of State - Chapter 257, Statutes of 2023. became-law

Source

OpenStates / OpenCivicData bulk snapshot 2026-07-01; origin ocd-bill/9d86631e-a1c1-49de-a928-58aea90ccf39. Confidence: reported (aggregated from official California legislature records).