CARB Proposes to Defer California’s First SB 253 Emissions Reporting Deadline to November 10, 2026 - JD Supra
California Air Resources Board (CARB) proposes to extend the first reporting deadline under SB 253 from 2026 to November 10, 2026, giving businesses more time to prepare for climate disclosure requirements.
Aforeworn detected this change in the ESG & Climate Disclosure space on July 27, 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 filers subject to California SB 253 (Climate Corporate Data Accountability Act) should confirm how it applies to their specific situation before acting. There is a time constraint attached: Proposed new deadline: November 10, 2026. 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 initial emissions reporting deadline is proposed to be deferred to November 10, 2026, instead of the original 2026 date.
Who it affects
Public companies and large private filers subject to California SB 253 (Climate Corporate Data Accountability Act)
What you must do
No immediate action required; monitor CARB's final decision and adjust compliance timelines accordingly.
Deadline
Proposed new deadline: November 10, 2026
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