California climate disclosure laws: CARB delays SB 253 reporting deadline to November 10 - whitecase.com
California's CARB has delayed the SB 253 reporting deadline to November 10, giving affected businesses more time to comply.
Aforeworn detected this change in the ESG & Climate Disclosure space on August 6, 2026 and published this briefing so affected operators are forewarned rather than caught off guard. It is rated Low urgency. Public companies and large private entities subject to SB 253 climate disclosure requirements in California. should confirm how it applies to their specific situation before acting. There is a time constraint attached: November 10. Acting after that point can mean penalties, a lapsed licence, or lost eligibility — exactly the kind of surprise Aforeworn exists to prevent. Aforeworn monitors ESG & Climate Disclosure continuously and turns every detected change into a plain-English briefing like this one, so you always know first. Forewarned is forearmed.
What changed
The reporting deadline for SB 253 has been extended to November 10.
Who it affects
Public companies and large private entities subject to SB 253 climate disclosure requirements in California.
What you must do
Adjust compliance timelines and ensure reporting is completed by the new November 10 deadline.
Deadline
November 10
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- California climate disclosure laws: Ninth Circuit temporarily halts SB 261 and CARB provides new guidance - whitecase.com
- California Pushes Back Deadline for First Corporate Climate Reports to November - esgtoday.com
- Complying With California’s Corporate Climate Disclosure Mandates – the November 18 CARB Workshop, Updated FAQs and Guidance, An Injunction and More - ropesgray.com
- California Takes Next Step in Corporate GHG Emissions Reporting Rulemaking - ropesgray.com
- Summer Reprieve: CARB Proposes More Time for SB 253 Reporting - jdsupra.com