republic-os/legislation/us/states/ca/20212022/sb-467.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	Expert witnesses: writ of habeas corpus.	Existing law allows a person who is unlawfully imprisoned or restrained of their liberty to prosecute a writ of habeas corpus to inquire into the cause of their imprisonment or restraint. Existing law allows a writ of habeas corpus to be prosecuted on the basis of false evidence that is substantially material or probative to the issue of guilt or punishment that was introduced at trial. Existing law defines false evidence for these purposes as including the opinions of experts that have been repudiated by the expert or that have been undermined by later scientific research or technological advances.	us/states/ca	California Legislature	20212022	SB 467	California SB 467 (20212022)	bill	Expert witnesses: writ of habeas corpus.	enacted	Wiener	10	38	10	2021-02-16	2022-09-30	openstates	ocd-bill/d5c450b7-d44e-459b-8775-ff8ba9b70336	http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202120220SB467	dfebfca1015f3fd37b9d3aa76fd600e466f7513409262bb25390c4b098434d39	2026-07-01	https://data.openstates.org/daily/2026-07-01/public.pgdump	2026-07-06	reported	legislation bill us-ca

California SB 467 (20212022) — Expert witnesses: writ of habeas corpus.

Existing law allows a person who is unlawfully imprisoned or restrained of their liberty to prosecute a writ of habeas corpus to inquire into the cause of their imprisonment or restraint. Existing law allows a writ of habeas corpus to be prosecuted on the basis of false evidence that is substantially material or probative to the issue of guilt or punishment that was introduced at trial. Existing law defines false evidence for these purposes as including the opinions of experts that have been repudiated by the expert or that have been undermined by later scientific research or technological advances.

Version chain

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

1. 02/16/21 - Introduced (filed) — source
2. 01/03/22 - Amended Senate (committee substitute) — source
3. 01/20/22 - Amended Senate (committee substitute) — source
4. 03/22/21 - Amended Senate (committee substitute) — source
5. 05/25/22 - Amended Assembly (committee substitute) — source
6. 08/15/22 - Amended Assembly (committee substitute) — source
7. 08/22/22 - Amended Assembly (committee substitute) — source
8. 09/30/22 - Chaptered (committee substitute) — source
9. SB467 (committee substitute) — source
10. 09/01/22 - Enrolled (enrolled) — source

Votes

• Placed on suspense file — 6–0 (pass) · upper
• Do pass as amended — 7–0 (pass) · upper
• Do pass, but first be re-referred to the Committee on [Appropriations] with the recommendation: To Consent Calendar — 5–0 (pass) · upper
• 3rd Reading SB467 Wiener et al. — 30–3 (pass) · upper
• SB 467 Wiener Senate Third Reading By Mia Bonta — 67–1 (pass) · lower
• [First] hearing set for [04-13-2021]: Failed passage in Committee. Reconsideration granted — 9–0 (pass) · upper
• Unfinished Business SB467 Wiener et al. Concurrence — 39–0 (pass) · upper
• Do pass as amended, but first amend, and re-refer to the Committee on [Environmental Quality] — 4–3 (fail) · upper
• Do pass as amended. — 12–0 (pass) · lower
• Do pass and be re-referred to the Committee on [Appropriations] — 6–0 (pass) · lower

Sponsors

• Wiener — primary (person)
• Kamlager — coauthor (person)

Timeline

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

• 2021-02-16 Introduced. Read first time. To Com. on RLS. for assignment. To print. introduction, reading-1
• 2021-02-17 From printer. May be acted upon on or after March 19.
• 2021-02-22 Art. IV. Sec. 8(a) of the Constitution dispensed with.
• 2021-02-22 (Ayes 32. Noes 4.)
• 2021-02-22 Joint Rule 55 suspended. (Ayes 32. Noes 4. Page 272.)
• 2021-02-25 Referred to Coms. on N.R. & W. and E.Q. referral-committee
• 2021-03-22 From committee with author's amendments. Read second time and amended. Re-referred to Com. on N.R. & W. amendment-passage, committee-passage, reading-1, reading-2, referral-committee
• 2021-03-24 Set for hearing April 13.
• 2021-04-13 April 13 set for first hearing. Failed passage in committee. (Ayes 4. Noes 3. Page 777.) Reconsideration granted. committee-failure
• 2022-01-03 From committee with author's amendments. Read second time and amended. Re-referred to Com. on N.R. & W. amendment-passage, committee-passage, reading-1, reading-2, referral-committee
• 2022-01-03 Withdrawn from committee.
• 2022-01-03 Re-referred to Com. on RLS. referral-committee
• 2022-01-03 Re-referred to Com. on PUB. S. referral-committee
• 2022-01-04 Set for hearing January 11.
• 2022-01-12 From committee: Do pass and re-refer to Com. on APPR with recommendation: To consent calendar. (Ayes 5. Noes 0. Page 2747.) (January 11). Re-referred to Com. on APPR. committee-passage, committee-passage-favorable, referral-committee
• 2022-01-13 Set for hearing January 18.
• 2022-01-18 January 18 hearing: Placed on APPR suspense file.
• 2022-01-19 Set for hearing January 20.
• 2022-01-20 From committee: Do pass as amended. (Ayes 7. Noes 0. Page 2795.) (January 20). amendment-passage, committee-passage, committee-passage-favorable
• 2022-01-20 Read second time and amended. Ordered to second reading. amendment-passage, reading-1, reading-2
• 2022-01-24 Read second time. Ordered to third reading. reading-1, reading-2
• 2022-01-26 Read third time. Passed. (Ayes 30. Noes 3. Page 2822.) Ordered to the Assembly. passage, reading-1, reading-3
• 2022-01-26 In Assembly. Read first time. Held at Desk. reading-1
• 2022-05-05 Referred to Com. on PUB. S. referral-committee
• 2022-05-25 From committee with author's amendments. Read second time and amended. Re-referred to Com. on PUB. S. amendment-passage, committee-passage, reading-1, reading-2, referral-committee
• 2022-06-01 From committee: Do pass and re-refer to Com. on APPR. (Ayes 6. Noes 0.) (June 1). Re-referred to Com. on APPR. committee-passage, committee-passage-favorable, referral-committee
• 2022-06-22 June 22 set for first hearing. Placed on suspense file.
• 2022-08-11 From committee: Do pass as amended. (Ayes 12. Noes 0.) (August 11). amendment-passage, committee-passage, committee-passage-favorable
• 2022-08-15 Read second time and amended. Ordered to second reading. amendment-passage, reading-1, reading-2
• 2022-08-16 Read second time. Ordered to third reading. reading-1, reading-2
• 2022-08-22 Read third time and amended. amendment-passage, reading-1, reading-3
• 2022-08-22 Ordered to third reading.
• 2022-08-29 Read third time. Passed. Ordered to the Senate. passage, reading-1, reading-3
• 2022-08-29 In Senate. Concurrence in Assembly amendments pending.
• 2022-08-30 Assembly amendments concurred in. (Ayes 39. Noes 0. Page 5314.) Ordered to engrossing and enrolling. amendment-passage, committee-passage-favorable
• 2022-09-06 Enrolled and presented to the Governor at 3:30 p.m.
• 2022-09-30 Approved by the Governor. executive-signature
• 2022-09-30 Chaptered by Secretary of State. Chapter 982, Statutes of 2022. became-law

Source

OpenStates / OpenCivicData bulk snapshot 2026-07-01; origin ocd-bill/d5c450b7-d44e-459b-8775-ff8ba9b70336. Confidence: reported (aggregated from official California legislature records).