Illustration of CARB SB 253 August 2026 reporting deadline and SB 261 court injunction — California climate disclosure enforcement update
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CARB SB 253 August 2026 Deadline: California Climate Disclosure Enforcement Update

BySW Accounting admin

What’s the latest status on California’s CARB SB 253 enforcement timeline and SB 261 court injunction? The California Air Resources Board (CARB) approved its SB 253 / SB 261 implementing regulation on February 26, 2026, setting an initial Scope 1 and Scope 2 GHG reporting deadline of August 10, 2026 for SB 253. A November…

Illustration of California climate disclosure laws SB 253 and SB 261 — Scope 1-3 emissions and climate financial risk reporting compliance
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California Climate Disclosure SB 253 and SB 261: 2026 Compliance Guide

BySW Accounting admin

What are California climate disclosure laws SB 253 and SB 261 — and who must comply in 2026? California’s Climate Corporate Data Accountability Act (SB 253) requires companies with annual revenue above $1 billion that do business in California to disclose Scope 1, 2, and 3 greenhouse gas emissions. SB 261 (Climate-Related Financial Risk Act)…