On January 9, 2026, a three-judge panel for the U.S. Court of Appeals for the Ninth Circuit heard oral argument in a challenge to California Senate Bills (SB) 261 and 253 in Chamber of Commerce v. Sanchez, No. 25-5327 (9th...more
1/13/2026
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On December 9, 2025, the California Air Resources Board (CARB) released its proposed regulatory text for the initial regulations implementing Senate Bills (SB) 261 and 253. SB 261 requires covered entities to publish...more
On December 1, 2025, the California Air Resources Board (CARB) provided multiple updates regarding its implementation of Senate Bill (SB) 261 following the U.S. Court of Appeals for the Ninth Circuit’s order staying...more
On November 18, 2025, the U.S. Court of Appeals for the Ninth Circuit issued an order enjoining enforcement of California Senate Bill 261 (“SB 261”) pending an appeal filed by the U.S. Chamber of Commerce and other business...more