CARB Posts Modified Regulations To Implement SB 261 and SB 253 - JD Supra
CARB has posted modified regulations to implement California's SB 261 and SB 253, which mandate climate-related financial risk disclosures and greenhouse gas emissions reporting for large businesses operating in California.
Aforeworn detected this change in the ESG & Climate Disclosure space on July 28, 2026 and published this briefing so affected operators are forewarned rather than caught off guard. It is rated High urgency. Public companies, large private filers, sustainability consultants, and EU-market exporters doing business in California. should confirm how it applies to their specific situation before acting. There is a time constraint attached: Initial reporting deadlines for SB 253 (2025) and SB 261 (2026) remain, but modified rules may affect interim milestones.. 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
CARB released modified regulations that clarify reporting requirements, assurance standards, and deadlines for SB 261 (climate-related financial risk) and SB 253 (GHG emissions).
Who it affects
Public companies, large private filers, sustainability consultants, and EU-market exporters doing business in California.
What you must do
Review the modified regulations to assess changes in reporting scope, assurance levels, and timelines; update compliance strategies accordingly.
Deadline
Initial reporting deadlines for SB 253 (2025) and SB 261 (2026) remain, but modified rules may affect interim milestones.
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Start your free trialRelated changes in ESG & Climate Disclosure
- US-CONGRESS BILLS-119hr9975ih: Carbon Dioxide Removal Leadership Act of 2026
- CARB Proposes to Defer California’s First SB 253 Emissions Reporting Deadline to November 10, 2026 - JD Supra
- Legal Update | SEC Proposes Rescission of Climate-Related Disclosure Rules - Husch Blackwell
- US-CONGRESS BILLS-118hjres124ih: Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Office of the Comptroller of the Currency relating to "Principles for Climate-Related Financial Risk Management for Large Financial Institutions".
- Status of California Climate Laws: Deadline for SB 253 Reporting Delayed Until November; SB 261 Remains Stayed - Wilson Sonsini