Stephanie Sharron, Marian Waldmann Agarwal and Joshua Fattal wrote an article for Corporate Compliance Insights entitled "Exploring California’s Generative AI Training Data Transparency Act" that discusses California’s new requirements for developers to disclose information about data used to train generative AI systems. The authors explain that the law applies broadly, including to companies that substantially modify or fine-tune models, and requires disclosures across 12 categories, including data sources, intellectual property status and personal information. They also examine exemptions, potential enforcement through California’s Unfair Competition Law and practical compliance considerations, urging companies to assess developer status and audit training-data provenance.