AB 2013: New California AI Law Mandates Disclosure of GenAI Training Data (UPDATED)

California's new law, AB 2013, mandates that developers of generative AI systems available to Californians must publicly disclose detailed information about their training data. Effective January 1, 2026, the law applies retrospectively to systems released or modified since January 2022 and contains no exemptions for trade secrets or intellectual property.

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