AISN #63: California’s SB-53 Passes the Legislature

<p> In this edition: California's legislature sent SB-53—the ‘Transparency in Frontier Artificial Intelligence Act’—to Governor Newsom's desk. If signed into law, California would become the first US state to regulate catastrophic risk.</p><p> Listen to the AI Safety Newsletter for free on Spotify or Apple Podcasts.</p><p> A note from Corin: I’m leaving the AI Safety Newsletter soon to start law school—but if you’d like to hear more from me, I’m planning to continue to write about AI in a new personal newsletter, Conditionals. On a related note, we’re also hiring a writer for the newsletter.</p><p><strong> California's SB-53 Passes the Legislature</strong></p><p> SB-53 is the Legislature's weaker sequel to last year's vetoed SB-1047. After Governor Gavin Newsom vetoed SB-1047 last year, he convened the Joint California Policy Working Group on AI Frontier Models. The group's June report recommended transparency, incident reporting, and whistleblower protections as near-term priorities for governing AI systems. SB-53 (the [...]</p> <p>---</p><p><strong>Outline:</strong></p><p>(00:49) California's SB-53 Passes the Legislature</p><p>(06:33) In Other News</p><p>(08:37) Discussion about this post</p> <p>---</p> <p><b>First published:</b><br/> September 24th, 2025 </p> <p><b>Source:</b><br/> <a href="https://newsletter.safe.ai/p/ai-safety-newsletter-63-californias?utm_source=TYPE_III_AUDIO&utm_medium=Podcast&utm_content=Source+URL+in+episode+description&utm_campaign=ai_narration" rel="noopener noreferrer" target="_blank">https://newsletter.safe.ai/p/ai-safety-newsletter-63-californias</a> </p> <p>---</p> <p>Want more? Check out our <a href="https://newsletter.mlsafety.org/?utm_source=TYPE_III_AUDIO&utm_medium=Podcast&utm_content=Episode+description+footer" target="_blank" rel="noreferrer">ML Safety Newsletter</a> for technical safety research.</p> <p>Narrated by <a href="https://type3.audio/?utm_source=TYPE_III_AUDIO&utm_medium=Podcast&utm_content=Narrated+by+TYPE+III+AUDIO&utm_term=center_for_ai_safety&utm_campaign=ai_narration" rel="noopener noreferrer" target="_blank">TYPE III AUDIO</a>.</p> <p>---</p><div style="max-width: 100%";><p><strong>Images from the article:</strong></p><a href="https://substackcdn.com/image/fetch/$s_!JC0w!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F872749f2-34d8-4050-b5d2-9929a16c9a0c_1600x609.png" target="_blank"><img src="https://substackcdn.com/image/fetch/$s_!JC0w!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F872749f2-34d8-4050-b5d2-9929a16c9a0c_1600x609.png" alt="The introduction to SB-53’s text. Source __T3A_LINK_IN_POST__." style="max-width: 100%;" /></a><p><em>Apple Podcasts and Spotify do not show images in the episode description. Try <a href="https://pocketcasts.com/" target="_blank" rel="noreferrer">Pocket Casts</a>, or another podcast app.</em></p></div>