June 2026 CARB California SB 253 Updates
Posted: July 2nd, 2026
Author: Corey Prigent
The California Air Resources Board (CARB) approved the initial regulation under the Climate Corporate Data Accountability Act [Senate Bill (SB) 253] on February 26, 2026. A workshop was held in March to discuss implementation and the next phase of rule development. However, on June 24, 2026, CARB announced that it is updating the regulatory proposal for entities subject to this regulation and will defer the reporting deadline from August 10, 2026, to November 10, 2026.
June 2026 Updates:
CARB is in the process of reviewing and incorporating public feedback on the initial regulation and plans to propose limited changes to the regulation to clarify certain reporting requirements. The initial regulation that had been approved and the associated rulemaking documents were withdrawn by CARB to allow more time to make those changes and clarifications. CARB will make the updated documentation and proposed rule publicly available and will later resubmit the regulation to the Office of Administrative Law (OAL). A 15-day public comment period will be forthcoming once the proposed regulation updates are announced.
CARB is therefore giving more time with this three-month deferral for entities to prepare their reports, pending approval of the rulemaking by the OAL at Title 17 of the California Code of Regulations (CCR) Article 6, Sections 96070-96077.
Conclusion:
ALL4 will continue to monitor these updates by CARB. If you are potentially subject to the SB 253 regulation, ALL4 encourages you to continue to gather relevant data to prepare required calculations and reports once the updated rule is proposed and approved by CARB. For ALL4’s summary of the February hearing and March virtual workshop, please review our previous SB 253 article.
If you need help evaluating the rule or preparing your report or if you have follow-up questions regarding the SB 253 regulation and proposed future rulemaking, don’t hesitate to get in touch with Corey Prigent at cprigent@all4inc.com.
