SB 253 Update: CARB Still Wrestling With Draft Regulations in March 2026 - Sidley Austin
CARB is still developing draft regulations for SB 253 as of March 2026, indicating delays and ongoing uncertainty for affected businesses.
Aforeworn detected this change in the ESG & Climate Disclosure space on July 6, 2026 and published this briefing so affected operators are forewarned rather than caught off guard. It is rated Medium urgency. Public companies and large private filers subject to SB 253 in California should confirm how it applies to their specific situation before acting. There is a time constraint attached: No new deadline; original SB 253 timeline remains uncertain.. 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 has not yet released draft regulations, pushing back the timeline for compliance requirements.
Who it affects
Public companies and large private filers subject to SB 253 in California
What you must do
Continue monitoring CARB updates and prepare for eventual draft regulations; do not halt compliance preparations.
Deadline
No new deadline; original SB 253 timeline remains uncertain.
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