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Fabio 5a13be122b Legislation: batch E — CA TN VA VT WA WI WV WY 
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-06 17:28:36 -04:00

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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 Artificial intelligence models: large developers. (1) Existing law generally regulates artificial intelligence, including by requiring, on or before January 1, 2026, and before each time thereafter, that a generative artificial intelligence system or service, or a substantial modification to a generative artificial intelligence system or service, released on or after January 1, 2022, is made publicly available to Californians for use, the developer of the system or service to post on the developer's internet website documentation regarding the data used by the developer to train the generative artificial intelligence system or service, as prescribed. us/states/ca California Legislature 20252026 SB 53 California SB 53 (20252026)
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Artificialintelligencemodels
largedevelopers
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11 42 11 2025-01-07 2025-09-29 openstates ocd-bill/921be457-d273-4be3-9e2d-f0f0314d81b0 http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202520260SB53 076fc1a00c685a93182129f1b2620caca36e762cf5a6c5d347e443f80ddf3a03 2026-07-01 https://data.openstates.org/daily/2026-07-01/public.pgdump 2026-07-06 reported
legislation
bill
us-ca

California SB 53 (20252026) — Artificial intelligence models: large developers.

(1) Existing law generally regulates artificial intelligence, including by requiring, on or before January 1, 2026, and before each time thereafter, that a generative artificial intelligence system or service, or a substantial modification to a generative artificial intelligence system or service, released on or after January 1, 2022, is made publicly available to Californians for use, the developer of the system or service to post on the developer's internet website documentation regarding the data used by the developer to train the generative artificial intelligence system or service, as prescribed.

Version chain

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

  1. 01/07/25 - Introduced (filed) — source
  2. 02/27/25 - Amended Senate (committee substitute) — source
  3. 03/27/25 - Amended Senate (committee substitute) — source
  4. 05/23/25 - Amended Senate (committee substitute) — source
  5. 07/08/25 - Amended Assembly (committee substitute) — source
  6. 07/17/25 - Amended Assembly (committee substitute) — source
  7. 09/02/25 - Amended Assembly (committee substitute) — source
  8. 09/05/25 - Amended Assembly (committee substitute) — source
  9. 09/29/25 - Chaptered (committee substitute) — source
  10. SB53 (committee substitute) — source
  11. 09/17/25 - Enrolled (enrolled) — source

Votes

  • Do pass, but first be re-referred to the Committee on [Appropriations] with the recommendation: To Consent Calendar — 13–0 (pass) · upper
  • SB 53 Wiener Senate Third Reading By BAUER-KAHAN — 59–7 (pass) · lower
  • 3rd Reading — 37–0 (pass) · upper
  • Do pass. — 12–1 (pass) · lower
  • Do pass as amended, but first amend, and re-refer to the Committee on [Judiciary] — 13–0 (pass) · upper
  • Placed on suspense file — 6–0 (pass) · upper
  • Unfinished Business SB53 Wiener et al. Concurrence — 29–8 (pass) · upper
  • Do pass as amended — 6–0 (pass) · upper
  • Do pass as amended and be re-referred to the Committee on [Appropriations] — 10–0 (pass) · lower
  • Do pass and be re-referred to the Committee on [Privacy and Consumer Protection] — 12–0 (pass) · lower
  • Do pass as amended. — 11–1 (pass) · lower

Sponsors

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

Timeline

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

  • 2025-01-07 Introduced. Read first time. To Com. on RLS. for assignment. To print. introduction, reading-1
  • 2025-01-08 From printer. May be acted upon on or after February 7.
  • 2025-01-29 Referred to Com. on RLS. referral-committee
  • 2025-02-27 From committee with author's amendments. Read second time and amended. Re-referred to Com. on RLS. amendment-passage, committee-passage, reading-1, reading-2, referral-committee
  • 2025-03-12 Re-referred to Coms. on G.O. and JUD. referral-committee
  • 2025-03-17 Set for hearing March 25.
  • 2025-03-26 From committee: Do pass as amended and re-refer to Com. on JUD. (Ayes 13. Noes 0. Page 530.) (March 25). amendment-passage, committee-passage, committee-passage-favorable
  • 2025-03-27 Read second time and amended. Re-referred to Com. on JUD. amendment-passage, reading-1, reading-2, referral-committee
  • 2025-04-01 Set for hearing April 8.
  • 2025-04-09 From committee: Do pass and re-refer to Com. on APPR. with recommendation: To consent calendar. (Ayes 13. Noes 0. Page 705.) (April 8). Re-referred to Com. on APPR. committee-passage, committee-passage-favorable, referral-committee
  • 2025-04-10 Set for hearing April 21.
  • 2025-04-21 April 21 hearing: Placed on APPR. suspense file.
  • 2025-05-16 Set for hearing May 23.
  • 2025-05-23 From committee: Do pass as amended. (Ayes 6. Noes 0. Page 1189.) (May 23). amendment-passage, committee-passage, committee-passage-favorable
  • 2025-05-23 Read second time and amended. Ordered to second reading. amendment-passage, reading-1, reading-2
  • 2025-05-27 Read second time. Ordered to third reading. reading-1, reading-2
  • 2025-05-28 Read third time. Passed. (Ayes 37. Noes 0. Page 1281.) Ordered to the Assembly. passage, reading-1, reading-3
  • 2025-05-28 In Assembly. Read first time. Held at Desk. reading-1
  • 2025-06-05 Referred to Coms. on P. & C.P. and JUD. referral-committee
  • 2025-06-12 Re-referred to Coms. on JUD. and P. & C.P. pursuant to Assembly Rule 96. referral-committee
  • 2025-07-02 From committee: Do pass and re-refer to Com. on P. & C.P. (Ayes 12. Noes 0.) (July 1). Re-referred to Com. on P. & C.P. committee-passage, committee-passage-favorable, referral-committee
  • 2025-07-08 From committee with author's amendments. Read second time and amended. Re-referred to Com. on P. & C.P. amendment-passage, committee-passage, reading-1, reading-2, referral-committee
  • 2025-07-16 From committee: Do pass as amended and re-refer to Com. on APPR. (Ayes 9. Noes 0.) (July 16). amendment-passage, committee-passage, committee-passage-favorable
  • 2025-07-17 Read second time and amended. Re-referred to Com. on APPR. amendment-passage, reading-1, reading-2, referral-committee
  • 2025-08-20 August 20 set for first hearing. Placed on APPR. suspense file.
  • 2025-08-29 From committee: Do pass as amended. (Ayes 11. Noes 1.) (August 29). amendment-passage, committee-passage, committee-passage-favorable
  • 2025-09-02 Read second time and amended. Ordered to second reading. amendment-passage, reading-1, reading-2
  • 2025-09-03 Read second time. Ordered to third reading. reading-1, reading-2
  • 2025-09-05 Assembly Rule 69(b)(1) suspended.
  • 2025-09-05 Read third time and amended. amendment-passage, reading-1, reading-3
  • 2025-09-05 Ordered to third reading.
  • 2025-09-08 Re-referred to Com. on P. & C.P. pursuant to Assembly Rule 77.2. referral-committee
  • 2025-09-09 Joint Rule 62(a) suspended.
  • 2025-09-11 From committee: Do pass. (Ayes 12. Noes 1.) (September 11). committee-passage, committee-passage-favorable
  • 2025-09-12 Read second time. Ordered to third reading. reading-1, reading-2
  • 2025-09-12 Assembly Rule 63 suspended.
  • 2025-09-12 Read third time. Passed. (Ayes 59. Noes 7. Page 3432.) Ordered to the Senate. passage, reading-1, reading-3
  • 2025-09-13 In Senate. Concurrence in Assembly amendments pending.
  • 2025-09-13 Assembly amendments concurred in. (Ayes 29. Noes 8. Page 3039.) Ordered to engrossing and enrolling. amendment-passage, committee-passage-favorable
  • 2025-09-23 Enrolled and presented to the Governor at 2 p.m.
  • 2025-09-29 Approved by the Governor. executive-signature
  • 2025-09-29 Chaptered by Secretary of State. Chapter 138, Statutes of 2025. became-law

Source

OpenStates / OpenCivicData bulk snapshot 2026-07-01; origin ocd-bill/921be457-d273-4be3-9e2d-f0f0314d81b0. Confidence: reported (aggregated from official California legislature records).

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