Fabio
103 lines
7.9 KiB
Markdown
103 lines
7.9 KiB
Markdown
---
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type: "Bill"
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title: "California AI Transparency Act."
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description: "The California AI Transparency Act requires a person that creates, codes, or otherwise produces a generative artificial intelligence system that has over 1,000,000 monthly visitors or users and is publicly accessible within the geographic boundaries of the state to make available an AI detection tool at no cost to the user that, among other things, allows a user to assess whether image, video, or audio content, or content that is a combination thereof, was created or altered by that person's generative artificial intelligence system and outputs any system provenance data that is detected in the content. Existing law makes the California AI Transparency Act operative on January 1, 2026."
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jurisdiction: "us/states/ca"
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legislature: "California Legislature"
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session: "20252026"
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identifier: "AB 853"
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citation: "California AB 853 (20252026)"
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classification: ["bill"]
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subjects: ["CaliforniaAITransparencyAct"]
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status: "enacted"
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primary_sponsors: ["Wicks"]
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version_count: 8
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action_count: 29
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vote_count: 9
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first_action: "2025-02-19"
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last_action: "2025-10-13"
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source: "openstates"
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source_identifier: "ocd-bill/7537d67b-320e-47b8-b071-638e436d955f"
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source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202520260AB853"
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source_hash: "8b7930735562336dfd977be458af6664335bb9345c1e07b7800c9c19884e90cf"
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vintage: "2026-07-01"
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source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
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retrieved_at: "2026-07-06"
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confidence: "reported"
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tags: ["legislation", "bill", "us-ca"]
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---
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# California AB 853 (20252026) — California AI Transparency Act.
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The California AI Transparency Act requires a person that creates, codes, or otherwise produces a generative artificial intelligence system that has over 1,000,000 monthly visitors or users and is publicly accessible within the geographic boundaries of the state to make available an AI detection tool at no cost to the user that, among other things, allows a user to assess whether image, video, or audio content, or content that is a combination thereof, was created or altered by that person's generative artificial intelligence system and outputs any system provenance data that is detected in the content. Existing law makes the California AI Transparency Act operative on January 1, 2026.
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## Version chain
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The bill's text revisions, in order — the diff chain from filing to enrollment.
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1. **02/19/25 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202520260AB853&version=20250AB85399INT)
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2. **03/28/25 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202520260AB853&version=20250AB85398AMD)
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3. **05/23/25 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202520260AB853&version=20250AB85397AMD)
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4. **07/17/25 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202520260AB853&version=20250AB85396AMD)
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5. **09/05/25 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202520260AB853&version=20250AB85395AMD)
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6. **10/13/25 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202520260AB853&version=20250AB85393CHP)
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7. **AB853** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202520260AB853)
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8. **09/16/25 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202520260AB853&version=20250AB85394ENR)
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## Votes
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- Do pass as amended. — **11–0** (pass) · lower
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- Do pass and be re-referred to the Committee on [Appropriations] — **9–0** (pass) · lower
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- Do pass as amended, but first amend, and re-refer to the Committee on [Appropriations] — **11–0** (pass) · upper
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- AB 853 Wicks Concurrence in Senate Amendments — **60–4** (pass) · lower
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- 3rd Reading AB853 Wicks et al. By Becker — **30–6** (pass) · upper
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- AB 853 Wicks Assembly Third Reading — **58–2** (pass) · lower
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- Do pass — **5–2** (pass) · upper
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- Do pass and be re-referred to the Committee on [Judiciary] — **11–1** (pass) · lower
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- Placed on suspense file — **7–0** (pass) · upper
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## Sponsors
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- Wicks — primary (person)
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- Becker — principal coauthor (person)
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- Zbur — coauthor (person)
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## Timeline
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The legislative action history — every referral, reading, and vote.
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- **2025-02-19** Read first time. To print. `reading-1`
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- **2025-02-20** From printer. May be heard in committee March 22.
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- **2025-03-28** Referred to Coms. on P. & C.P. and JUD. `referral-committee`
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- **2025-03-28** From committee chair, with author's amendments: Amend, and re-refer to Com. on P. & C.P. Read second time and amended. `amendment-introduction, amendment-passage, reading-1, reading-2`
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- **2025-04-01** Re-referred to Com. on P. & C.P. `referral-committee`
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- **2025-04-23** From committee: Do pass and re-refer to Com. on JUD. (Ayes 11. Noes 1.) (April 22). Re-referred to Com. on JUD. `committee-passage, committee-passage-favorable, referral-committee`
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- **2025-04-30** Coauthors revised.
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- **2025-04-30** From committee: Do pass and re-refer to Com. on APPR. (Ayes 9. Noes 0.) (April 29). Re-referred to Com. on APPR. `committee-passage, committee-passage-favorable, referral-committee`
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- **2025-05-07** In committee: Set, first hearing. Referred to APPR. suspense file. `referral-committee`
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- **2025-05-23** Assembly Rule 63 suspended. (Ayes 51. Noes 16. Page 1644.)
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- **2025-05-23** From committee: Amend, and do pass as amended. (Ayes 11. Noes 0.) (May 23). `amendment-introduction, amendment-passage, committee-passage`
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- **2025-05-23** Read second time and amended. Ordered returned to second reading. `amendment-passage, reading-1, reading-2`
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- **2025-05-27** Read second time. Ordered to third reading. `reading-1, reading-2`
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- **2025-06-02** Read third time. Passed. Ordered to the Senate. (Ayes 58. Noes 2. Page 1908.) `passage, reading-1, reading-3`
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- **2025-06-03** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
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- **2025-06-11** Referred to Com. on JUD. `referral-committee`
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- **2025-07-16** From committee: Amend, and do pass as amended and re-refer to Com. on APPR. (Ayes 11. Noes 0.) (July 15). `amendment-introduction, amendment-passage, committee-passage, referral-committee`
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- **2025-07-17** Read second time and amended. Re-referred to Com. on APPR. `amendment-passage, reading-1, reading-2, referral-committee`
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- **2025-08-18** In committee: Referred to suspense file. `referral-committee`
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- **2025-08-29** From committee: Do pass. (Ayes 5. Noes 2.) (August 29). `committee-passage, committee-passage-favorable`
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- **2025-08-29** Read second time. Ordered to third reading. `reading-1, reading-2`
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- **2025-09-05** Read third time and amended. Ordered to second reading. `amendment-passage, reading-1, reading-3`
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- **2025-09-08** Read second time. Ordered to third reading. `reading-1, reading-2`
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- **2025-09-11** Read third time. Passed. Ordered to the Assembly. (Ayes 30. Noes 6. Page 2906.). `passage, reading-1, reading-3`
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- **2025-09-12** In Assembly. Concurrence in Senate amendments pending.
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- **2025-09-12** Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 60. Noes 4. Page 3381.). `amendment-passage, committee-passage-favorable`
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- **2025-09-24** Enrolled and presented to the Governor at 3 p.m.
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- **2025-10-13** Approved by the Governor. `executive-signature`
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- **2025-10-13** Chaptered by Secretary of State - Chapter 674, Statutes of 2025. `became-law`
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## Source
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OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/7537d67b-320e-47b8-b071-638e436d955f`. Confidence: reported (aggregated from official California legislature records).
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