SB 261 explained

The Climate-Related Financial Risk Act (Stern, 2023), Health & Safety Code § 38533.

• Who: U.S. public and private companies that do business in California with annual revenues over $500 million. Source
• What: A biennial climate-related financial risk report and the measures adopted to reduce and adapt to those risks. Source
• Status: Enforcement enjoined by the Ninth Circuit on November 18, 2025 pending appeal. CARB will not enforce the January 1, 2026 deadline and will announce an alternate date after the appeal; voluntary submissions go to a CARB docket. Source

SB 261 does not itself require third-party GHG assurance; this site's assurance content concerns SB 253.