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Measure AB 316
Authors Krell  
Subject Artificial intelligence: defenses.
Relating To relating to civil actions.
Title An act to add Section 1714.46 to the Civil Code, relating to civil actions.
Last Action Dt 2025-10-13
State Chaptered
Status Chaptered
Active? Y
Vote Required Majority
Appropriation No
Fiscal Committee No
Local Program No
Substantive Changes None
Urgency No
Tax Levy No
Leginfo Link Bill
Actions
2025-10-13     Chaptered by Secretary of State - Chapter 672, Statutes of 2025.
2025-10-13     Approved by the Governor.
2025-09-16     Enrolled and presented to the Governor at 2 p.m.
2025-09-09     Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 78. Noes 0. Page 3102.).
2025-09-08     In Assembly. Concurrence in Senate amendments pending.
2025-09-08     Read third time. Passed. Ordered to the Assembly. (Ayes 38. Noes 0. Page 2621.).
2025-09-03     Read second time. Ordered to third reading.
2025-09-02     Read third time and amended. Ordered to second reading.
2025-08-29     Read second time. Ordered to third reading.
2025-08-29     From committee: Do pass. (Ayes 7. Noes 0.) (August 29).
2025-07-07     In committee: Referred to APPR. suspense file.
2025-06-25     From committee: Do pass and re-refer to Com. on APPR. (Ayes 12. Noes 0.) (June 24). Re-referred to Com. on APPR.
2025-05-28     Referred to Coms. on JUD. and APPR.
2025-05-20     In Senate. Read first time. To Com. on RLS. for assignment.
2025-05-19     Read third time. Passed. Ordered to the Senate. (Ayes 70. Noes 1. Page 1595.)
2025-05-08     Read second time. Ordered to third reading.
2025-05-07     From committee: Do pass. (Ayes 11. Noes 2.) (May 6).
2025-04-29     Re-referred to Com. on P. & C.P.
2025-04-28     From committee chair, with author's amendments: Amend, and re-refer to Com. on P. & C.P. Read second time and amended.
2025-03-26     From committee: Do pass and re-refer to Com. on P. & C.P. (Ayes 12. Noes 0.) (March 25). Re-referred to Com. on P. & C.P.
2025-02-10     Referred to Coms. on JUD. and P. & C.P.
2025-01-27     Read first time.
2025-01-25     From printer. May be heard in committee February 24.
2025-01-24     Introduced. To print.
Keywords
Tags
Versions
Chaptered     2025-10-13
Enrolled     2025-09-11
Amended Senate     2025-09-02
Amended Assembly     2025-04-28
Introduced     2025-01-24
Last Version Text 
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		<ns0:AuthorText authorType="LEAD_AUTHOR">Introduced by Assembly Member Krell</ns0:AuthorText>
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		<ns0:Title> An act to add Section 1714.46 to the Civil Code, relating to civil actions. </ns0:Title>
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			<ns0:Subject>Artificial intelligence: defenses.</ns0:Subject>
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			<html:p>Existing law provides that everyone is responsible not only for the result of their willful acts, but also for an injury occasioned to another by their want of ordinary care or skill in the management of their property or person.</html:p>
			<html:p>Existing law requires the developer of a generative artificial intelligence system or service that is released on or after January 1, 2022, and made publicly available to Californians for use, 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. Existing law defines “artificial intelligence” for these purposes.</html:p>
			<html:p>This bill would prohibit a defendant who developed, modified, or used artificial intelligence, as defined, from asserting a defense that the artificial
			 intelligence autonomously caused the harm to the plaintiff.</html:p>
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				Section 1714.46 is added to the 
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								(a)
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								“Artificial intelligence” means an engineered or machine-based system that varies in its level of autonomy and that can, for explicit or implicit objectives, infer from the input it receives how to generate outputs that can influence physical or virtual environments.
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								(b)
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								In an action against a defendant who developed, modified, or used artificial intelligence that is alleged to have caused a harm to the plaintiff, it shall not be a defense, and the defendant may not assert, that the artificial intelligence autonomously caused the harm to the plaintiff.
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								This section does not limit or preclude a defendant from presenting either of the following:
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								(1)
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								Any other affirmative defense, including evidence relevant to causation or foreseeability.
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								Other evidence relevant to the comparative fault of any other person or entity.
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Last Version Text Digest Existing law provides that everyone is responsible not only for the result of their willful acts, but also for an injury occasioned to another by their want of ordinary care or skill in the management of their property or person. Existing law requires the developer of a generative artificial intelligence system or service that is released on or after January 1, 2022, and made publicly available to Californians for use, 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. Existing law defines “artificial intelligence” for these purposes. This bill would prohibit a defendant who developed, modified, or used artificial intelligence, as defined, from asserting a defense that the artificial intelligence autonomously caused the harm to the plaintiff.